As confidentially submitted to the Securities and Exchange Commission on April 21, 2021

Registration No. 333-            

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM F-1

REGISTRATION STATEMENT

UNDER

THE SECURITIES ACT OF 1933

AiHuiShou International Co. Ltd.

(Exact name of Registrant as specified in its charter)

Not Applicable

(Translation of Registrant’s name into English)

12^th Floor, No. 6 Building, 433 Songhu Road, Shanghai

People’s Republic of China

+86 21 5290-7031

(Address, including zip code, and telephone number, including area code, of Registrant’s principal executive offices)

(Name, address, including zip code, and telephone number, including area code, of agent for service)

Copies to:

Approximate date of commencement of proposed sale to the public:

as soon as practicable after the effective date of this registration statement.

If any of the securities being registered on this Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933, check the following box.  ☐

If this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, please check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.  ☐

If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.  ☐

If this Form is a post-effective amendment filed pursuant to Rule 462(d) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.  ☐

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933.

Emerging growth company  ☒

If an emerging growth company that prepares its financial statements in accordance with U.S. GAAP, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards† provided pursuant to Section 7(a)(2)(B) of the Securities Act.  ☐

† The term “new or revised financial accounting standard” refers to any update issued by the Financial Accounting Standards Board to its Accounting Standards Codification after April 5, 2012.

CALCULATION OF REGISTRATION FEE

The Registrant hereby amends this Registration Statement on such date or dates as may be necessary to delay its effective date until the Registrant shall file a further amendment which specifically states that this Registration Statement shall thereafter become effective in accordance with Section 8(a) of the Securities Act of 1933 or until the Registration Statement shall become effective on such date as the Securities and Exchange Commission, acting pursuant to said Section 8(a), may determine.

The information in this preliminary prospectus is not complete and may be changed. These securities may not be sold until the registration statement filed with the Securities and Exchange Commission is effective. This preliminary prospectus is not an offer to sell nor does it seek an offer to buy these securities in any jurisdiction where the offer or sale is not permitted.

Subject to Completion. Dated                 , 2021.

American Depositary Shares

AiHuiShou International Co. Ltd.

Representing              Ordinary Shares

This is an initial public offering of American depositary shares, or ADSs, of AiHuiShou International Co. Ltd.

We are offering              ADSs to be sold in the offering. [The selling shareholders identified in this prospectus are offering an additional              ADSs. We will not receive any of the proceeds from the sale of the ADSs being sold by the selling shareholders.]

Prior to this offering, there has been no public market for our ADSs or ordinary shares. Each ADS represents              of our ordinary shares, par value US$0.001 per share. It is currently estimated that the initial public offering price will be between US$         and US$         per ADS. Application will be made for listing on the New York Stock Exchange under the symbol “            .”

See “Risk Factors” on page 21 to read about factors you should consider before buying the ADSs.

Neither the Securities and Exchange Commission nor any other regulatory body has approved or disapproved of these securities or passed upon the accuracy or adequacy of this prospectus. Any representation to the contrary is a criminal offense.

To the extent that the underwriters sell more than              ADSs, the underwriters have the option to purchase up to an additional              ADSs from us [and the selling shareholders] at the initial public offering price less the underwriting discount.

The underwriters expect to deliver the ADSs against payment in [New York, New York on or about                 , 2021.]

Prospectus dated                    , 2021.

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TABLE OF CONTENTS

Prospectus

You should rely only on the information contained in this prospectus or in any related free writing prospectus. We [and the selling shareholders] have not authorized anyone to provide you with information different from that contained in this prospectus or in any related free writing prospectus. We take no responsibility for, and can provide no assurance as to the reliability of, any other information that others may give you. We[ and the selling shareholders] are offering to sell, and seeking offers to buy the ADSs, only in jurisdictions where offers and sales are permitted. The information contained in this prospectus is accurate only as of the date of this prospectus, regardless of the time of delivery of this prospectus or any sale of the ADSs.

Neither we nor any of the underwriters has taken any action to permit a public offering of the ADSs outside the United States or to permit the possession or distribution of this prospectus or any filed free writing prospectus outside the United States. Persons outside the United States who come into possession of this prospectus or any filed free writing prospectus must inform themselves about and observe any restrictions relating to the offering of the ADSs and the distribution of the prospectus or any filed free writing prospectus outside the United States.

Until                 , 2021 (the 25th day after the date of this prospectus), all dealers that buy, sell or trade ADSs, whether or not participating in this offering, may be required to deliver a prospectus. This is in addition to the obligation of dealers to deliver a prospectus when acting as underwriters and with respect to their unsold allotments or subscriptions.

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RISK FACTORS

An investment in our ADSs involves significant risks. You should consider carefully all of the information in this prospectus, including the risks and uncertainties described below, before making an investment in our ADSs. Any of the following risks could have a material and adverse effect on our business, financial condition and results of operations. In any such case, the market price of our ADSs could decline, and you may lose all or part of your investment.

Risks Related to Our Business and Industry

Our industry is rapidly evolving and our business model may not continue to be successful or achieve wide acceptance as we anticipated.

The pre-owned consumer electronics transactions and services industry in China is still at an early stage of development and is rapidly evolving. There are few well-established and widely-accepted transactions and services platforms for pre-owned consumer electronics, nor are there any industry standards in pricing pre-owned consumer electronics and the pre-owned consumer electronics transactions and services market in general. Since the commencement of our business operations in 2011, we have also been trying different business strategies to explore the most effective business model for our operations. Although we are now the leader in the pre-owned consumer electronics transactions and services industry in China, we believe that our business model is novel and we have a limited operating history on which investors can evaluate our business and prospects. Specifically, we only began operating our merchant online marketplace, PJT, in late 2017 and our consumer online marketplace, Paipai, in 2019 and we have not yet demonstrated our ability to generate significant revenue or be profitable. There is no guarantee that our business model will continue to be successful or achieve wide acceptance as quickly or in a magnitude as we anticipated. As there are few comparable companies and established players in the market, we have to explore different business practices, formulate pricing strategies, set up procedures and standards by ourselves and learn from our own experience. Given that we have a limited history operating online marketplaces, we cannot assure you that we will be able to successfully anticipate and respond to industry trends and customer behavior, especially as we continue to broaden our customer base and diversify our product offerings. A potential investor in our ADSs should carefully consider the risks and difficulties frequently encountered by companies in an early stage of development, as well as the risks we face due to our participation in a new and rapidly evolving industry, and our attempt to execute on a new and untested business model. Our business model may not be successful, or we may not successfully overcome the risks associated with this business model.

If we fail to attract and engage consumers, third-party merchants or other participants in the pre-owned consumer electronics value chain, or provide them with superior experience, our business and reputation may be materially and adversely affected.

The success of our business hinges on our ability to engage consumers, third-party merchants or other participants in the pre-owned consumer electronics value chain and our ability to provide a superior experience to them, which in turn depends on a variety of factors. These factors include our ability to

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We cannot guarantee you that we will always be able to provide a superior experience to consumers and third-party merchants as our business continues to evolve. Failure to do so could materially and adversely affect our business, financial condition and results of operations.

If we are unable to maintain our existing customer base and attract new customers, our business, financial condition and results of operations may be materially and adversely affected.

Our future growth depends on our ability to maintain our existing customer base and attract new customers, including consumers and third-party merchants, to our platform. In order to expand our customer base, we have established our platform with both online and offline channels to maximize our access to potential consumers who intend to trade in or sell their personal electronics. We have also cooperated with well-known cell phone brands to provide potential buyers with a trade-in option. In addition, we also partnered with JD Group to acquire user traffic for our platform. However, we cannot assure you we will be successful in maintaining our existing customer base and attracting new customers. The pre-owned consumer electronics transactions and services industry in China is still at an early stage of development. Consumers may not be willing to trade in or recycle their personal electronics or purchase pre-owned consumer electronics for various reasons. Our existing consumers who are receptive to trade-in or recycling of personal electronics or purchasing pre-owned consumer electronics may find services provided by our competitors more attractive and choose to trade in, recycle or purchase on our competitors’ platforms. As a result, we may not be able to effectively maintain and grow our customer base, which would result in a lower volume of pre-owned consumer electronics traded on our platform and thus negatively and adversely affect our business, financial condition and results of operations. Furthermore, public perception that pre-owned consumer electronics sold on our platform may be counterfeit or defective, even if factually incorrect or based on isolated incidents, could damage our reputation and have a negative impact on our ability to attract new customers or retain existing customers. If we are unable to maintain or increase positive awareness of our platform and our services, it may be difficult for us to maintain and grow our customer base, and our business, growth prospects, results of operations and financial condition may be materially and adversely affected.

Any deterioration in our relationships with our major business partners, such as JD Group, may adversely affect our business prospects and business operations.

Collaboration with our business partners such as JD Group and consumer electronics brands has been our key strategy to grow our customer base and increase the supply of pre-owned consumer electronics. Our business has benefited from our collaborations with our major business partners and we expect to continue to rely on them for the foreseeable future. See “Business—Our Strategic Partners” for more details of our collaboration with our business partners. If we are unable to maintain

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our cooperative relationships with any of these business partners, it may be very difficult for us to identify qualified alternative business partners, and may divert significant management attention from existing business operations and adversely impact our daily operation.

In June 2019, we entered into a five-year framework business cooperation agreement, as amended, with JD Group covering extensive cooperation in areas such as user traffic, marketing, research and development, commission sharing, supply chain and logistics, and customer service and after-sales services. In 2020, the GMV of the pre-owned consumer electronics we collected through our AHS Recycle from JD Group’s platforms accounted for approximately 10.0% of our total GMV. If we are unable to maintain our collaboration with JD Group or if JD Group builds or invests in similar business as ours after the term of the agreement, our business, results of operations and financial condition would be materially and adversely affected. Even if we are able to maintain our relationship with JD Group, if JD Group experiences a business deterioration, a decline in market position or market share, or a damage to its brand image or reputation, our business and results of operations may also be negatively affected due to our reliance on and close relationship with JD Group and our customers’ trust on us may also diminish. In the event that we fail to maintain our relationship with JD Group, we cannot assure you that we will be able to establish a similar cooperative relationship with a comparable business partner under commercially reasonable terms in a timely manner. In addition, our business collaboration arrangement with JD Group contain certain undertakings made by JD Group that are beneficial to us. These undertakings, however, are contingent on our continuing to meet certain conditions. If we are unable to meet these requirements, the scope of our collaboration with JD Group could diminish significantly and the business collaboration arrangement with JD Group could even be terminated under certain circumstance, all of which could materially and adversely affect our business, results of operations and financial condition.

In addition to our strategic relationship with JD Group, JD Group also has a significant influence on our overall business operations. As of the date of this prospectus, JD Group holds approximately 38.5% of our total issued and outstanding shares. As a result, JD Group may have a conflict of interest with us and prevent us from engaging in transactions that may be beneficial to you as a holder of ADSs.

Apart from JD Group, we have also entered into business collaboration arrangements with other business partners, such as branded consumer electronics manufacturers and distributors, to expand source of supply for pre-owned consumer electronics. We cannot assure you that we are able to maintain our relationships with our major business partners in the future. We may not be able to successfully extend or renew our current business collaboration arrangements with these business partners on commercially reasonable terms, or at all, upon expiration or early termination of the current arrangements. Furthermore, we, our employees and our business partners may inadvertently breach certain provisions and therefore subject us to liabilities under these arrangements. Disputes may also arise due to reasons that we are unable to foresee. If we are unable to resolve disputes with our business partners, we may not be able to continue our cooperation with them. In addition, certain of our business partners were sanctioned by the U.S. government. It is possible that we may have to cease cooperation with these business partners so as to be compliant with the relevant U.S. laws as a U.S. listed company. As a result, transaction volume on our platform, our results of operations and financial conditions could be materially and adversely affected.

If we are unable to manage our growth or execute our strategies effectively, our business and prospects may be materially and adversely affected.

Our business has continued to grow in recent years, and we expect continued growth in our business and revenues. We plan to further expand our sources of supply and continue to empower

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industry participants. For example, we plan to further expand our AHS store network into lower-tier cities and strengthen our cooperation with JD Group to increase customer traffic on our platform. In addition, we plan to further strengthen the industry leading infrastructure and standards we established by further upgrading our operations centers to improve the accuracy, speed, and cost-effectiveness of our proprietary inspection, grading, and pricing of pre-owned devices. To support our growth, we will also continue to improve our technology capabilities, such as upgrading our operation centers with new automation technologies and further optimizing our pricing engine by continuing to leverage the data insights, and grow our international presence by collaborating with resellers in new geographic locations such as South East Asia, Latin America, and Africa to increase the global circulation of pre-owned devices from China and export our technology and service offerings to device resellers in these international markets. All these efforts will require significant managerial, financial and human resources. We cannot assure you that we will be able to effectively manage our growth or to implement all these systems, procedures and control measures successfully or that our new business initiatives will be successful. If we are not able to manage our growth or execute our strategies effectively, our expansion may not be successful and our business and prospects may be materially and adversely affected.

We are not profitable and have negative net cash flows from operating activities, which may continue in the future.

We have not been profitable since our inception in 2011. We incurred net losses of RMB207.9 million in 2018, RMB704.9 million in 2019 and RMB470.6 million (US$72.1 million) in 2020. In addition, we had negative net cash flows from operating activities of RMB358.0 million in 2018, RMB410.8 million in 2019 and RMB412.9 million (US$63.3 million) in 2020. We may continue to make significant investments in technologies and further develop and expand our business and these investments may not result in an increase in revenue or positive net cash flows from our operations on a timely basis, or at all.

We may incur substantial losses and negative net cash flows from our operations in the future for a number of reasons, including decreasing demand or slower than expected increase in demand for pre-owned consumer electronics and our services, increasing competition, as well as other risks discussed herein, and we may incur unforeseen expenses, or encounter difficulties, complications and delays in generating revenue or achieving profitability. If our revenues decrease, we may not be able to reduce our costs and expenses proportionally in a timely manner because a significant portion of our costs and expenses are fixed. In addition, if we reduce our costs and expenses, we may limit our ability to acquire consumers and third-party merchants and grow our revenues. Accordingly, we may not be able to achieve profitability and we may continue to incur net losses in the future.

The growth and profitability of our business depend on the level of consumer demand and discretionary spending. A severe or prolonged economic downturn in China or around the world could materially and adversely affect consumer discretionary spending and therefore adversely affect our business, financial condition and results of operations.

The success of our business depends, to a significant extent, on the level of consumer demand and discretionary spending both in China and in the international markets where we operate. A number of factors beyond our control may affect the level of consumer demand and discretionary spending on merchandise that we offer, including, among other things:

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Reduced consumer confidence and spending cut backs may result in reduced demand for pre-owned consumer electronics sold on our online marketplaces. Reduced demand also may require increased selling and promotional expenses. Adverse economic conditions and any related decrease in consumer demand for pre-owned consumer electronics could have a material adverse effect on our business, financial condition and results of operations. For example, COVID-19 pandemic has reduced the number of trips consumers make to brick-and-mortar stores, including offline AHS stores. COVID-19 pandemic has also resulted in a severe and negative impact on the Chinese and the global economy. Negative economic conditions related to this outbreak may limit the consumer confidence and the amount of disposable income available to consumers, which may impact our consumer demand. Whether the pandemic will lead to a prolonged downturn in the economy is still unknown. If this outbreak persists, commercial activities throughout the world could be curtailed with decreased consumer spending, business disruptions, interrupted supply chains and difficulties in travel. Our business has been adversely affected by the outbreak of COVID-19. The extent to which COVID-19 impacts our results will depend on future developments, which are highly uncertain and cannot be predicted. Even before the outbreak of COVID-19, the global macroeconomic environment was facing numerous challenges. The growth rate of the Chinese economy has been slowing down. There is considerable uncertainty over the long-term effects of the expansionary monetary and fiscal policies which had been adopted by the central banks and financial authorities of some of the world’s leading economies, including the United States and China, even before 2020. Unrest, terrorist threats and the potential for war in the Middle East and elsewhere may increase market volatility across the globe. There have also been concerns about the relationship between China and other countries, including but not limited to the surrounding Asian countries, which may potentially have economic impact. In particular, there is significant uncertainty about the future relationship between the United States and China with respect to trade policies, treaties, government regulations and tariffs. Economic conditions in China are sensitive to global economic conditions, as well as changes in domestic economic and political policies and the expected or perceived overall economic growth rate in China. Any severe or prolonged slowdown in the global or Chinese economy may materially and adversely affect our business, results of operations and financial condition.

In addition, many of the factors identified above also affect commodity rates, transportation costs, interest rates, costs of labor, insurance and healthcare, lease costs, measures that create barriers to or increase the costs associated with international trade, changes in other laws and regulations and other economic factors, all of which may impact our cost of sales, our selling and distribution expenses, and general and administrative expenses, which could have a material adverse effect on our business, financial condition and results of operations.

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Our operations have been and may continue to be affected by the COVID-19 pandemic.

Our business and financial performance have been adversely affected by the outbreaks of COVID-19. In order to protect the health and well-being of our employees and consumers, we and our AHS store partners started to temporarily close offline AHS stores in China in late January 2020 and reduced operating hours at offline AHS stores that remained open. We also closed our headquarters and offices and made remote working arrangements. The unplanned store closures, resulted in peak closures of a vast majority of offline AHS stores in China in early February 2020. Since that time, the vast majority of offline AHS stores and our headquarters and offices have been reopened in a disciplined manner. As of March 31, 2020, all offline AHS stores in China had reopened and operated under normal business hours. Due to such store closures, our operating results in the first quarter of 2020 was negatively affected. The store closure also negatively affected the expansion of our AHS store network. In the first half of 2020, we experienced a decrease in the number of offline AHS stores in China. Our GMV for product sales for the first quarter of 2020 was adversely affected by the temporary closure of offline AHS stores, which negatively affected our collection of pre-owned consumer electronics through offline AHS stores. GMV for product sales decreased from RMB831.5 million in the first quarter of 2019 to RMB625.0 million in the first quarter of 2020. In addition, our inventory level was also negatively affected by such store closures. See “—If we fail to manage our inventory effectively, our results of operations, financial condition and liquidity may be materially and adversely affected” for more information. Besides, we also temporarily closed our regional operation centers in early 2020 due to COVID-19 outbreak. See “—We are subject to certain risks relating to third-party logistics services and our operation centers” for more information.

Although COVID-19 has been successfully contained in China, COVID-19 remains a global pandemic and different variants of coronavirus have also emerged in different locations around the world. As COVID-19 pandemic continues to rapidly evolve and there is great uncertainty as to the future progress of the disease, we cannot anticipate with any certainty the length or severity of the effects of COVID-19. Our business operations, results of operations and financial condition could be further adversely affected if a wide spread of COVID-19 happens again in the locations where we or our business partners have business operations.

We may not be able to effectively and accurately inspect, grade and price pre-owned goods, in particular, consumer electronics.

We provide inspection, grading and pricing services for a large portion of pre-owned consumer electronics sourced by third-party merchants and sold on our online marketplaces. We also inspect, grade and price pre-owned consumer electronics we collect before selling them on our online marketplaces. As there are no uniform or established standards or practices for inspecting, grading and pricing pre-owned consumer electronics in the market, we have developed our own inspection procedures, grading system and pricing mechanism over years of our business operations. We cannot assure you that our business practices represent the best practice in the pre-owned consumer electronics transactions and services industry or that they will yield maximum commercial benefits. We may not be able to identify all potential defects of pre-owned consumer electronics traded on our platform and grade them accurately. Even if we are able to do so, we cannot guarantee you that the prices we assign to those pre-owned consumer electronics reflect the actual or fair value of those pre-owned consumer electronics. If consumers or third-party merchants on our platform believe that the prices determined or suggested by us do not reflect the fair value or their deemed value of the pre-owned consumer electronics they are going to sell on our online marketplaces, they may choose other platforms over us, which in turn would result in our losing of customer base, a decline in transaction volume on our online marketplaces and/or a decrease in the supply of pre-owned consumer electronics, either of which could materially and adversely affect our business, results of operations and financial condition.

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The price differences between our collection and resale of pre-owned consumer electronics in connection with our self-operated transactions and the fees we charge from transactions on our online marketplaces may fluctuate or decline in the future. Any material decrease in such fees or price differences would harm our business, financial condition and results of operations.

We generate revenues primarily by earning the price differences between our collection and resale of pre-owned consumer electronics, and by charging fees and commissions for transactions and services we provide on our online marketplaces, such as commission fee on our merchant and consumer marketplaces and transaction service fee for value-added services on our consumer marketplace. Maintaining and growing our revenues depends on a number of factors, including:

Any failure to adequately and promptly address any of these risks and uncertainties would materially and adversely affect our business and results of operations.

If we are unable to expand our AHS store network successfully, our business or results of operations would be adversely affected.

We plan to further expand our AHS store network, including automatic recycling kiosks, in lower-tier cities. However, we may not be able to expand our AHS store network as we planned. AHS store network expansion has required and will continue to require substantial investments and commitment of resources. The number and timing of the offline AHS stores actually opened and kiosks placed during any given period are subject to a number of risks and uncertainties, including but not limited to our ability to:

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Particularly, we rely on business partners with local resources to join our AHS store network and open AHS stores. However, we may not be able to identify business partners with sufficient resources and strong local ties to collaborate with us. Even if we are able to attract a sufficient number of business partners to join our AHS store network, there is no assurance that they will be willing or able to renew their agreements with us, which may decrease the number of AHS stores in our AHS store network and negatively affect our store expansion plan. We will also need to carefully consider geographical locations of AHS stores in our AHS store network so as to reach consumers to the maximum extent while avoiding cannibalization resulting from geographical proximity among stores.

Any factors listed above, either individually or in aggregate, might delay or fail our plan to increase the number of AHS stores in desirable locations at manageable cost levels. Further, we may not be able to successfully operate our existing AHS stores and may choose to shut down certain AHS stores from time to time due to various reasons. For example, certain of offline AHS stores were shut down in the first half of 2020 primarily due to the COVID-19 outbreak. See “—Our operations have been and may continue to be affected by COVID-19 pandemic.”

Failure to successfully operate offline AHS stores could materially and adversely harm our reputation, business and results of operations.

We rely on offline AHS stores and kiosks to collect a large portion of pre-owned consumer electronics traded on our online marketplaces. AHS stores and kiosks also serve as a complement to our online AHS operations and help us reach consumers directly. The successful operation of AHS stores hinges on the ability to provide superior experience to consumers and business partners. If we are unable to provide a superior experience, our consumers and business partners may lose confidence in us. In addition, any negative publicity or poor feedback regarding our customer service may harm our brand and reputation and thus cause us to lose customers and market share. Apart from providing superior customer experience, there are also a number of other factors that may affect the successful operation of AHS stores, including, without limitation, our ability to secure premises for AHS stores in locations that are strategically beneficial to our business; our ability to adjust AHS store operations to timely respond to changes in market demand and consumer preferences; our ability to manage costs of in operating AHS stores; our ability to handle negative publicity, allegations, and legal proceedings; our ability to ensure full compliance with relevant laws and regulations, and maintain adequate and effective control, supervision and risk management over AHS stores; and our ability to monitor the overall operation of AHS stores. If we are unable to operate AHS stores successfully, we and our business partners will have to shut down underperforming AHS stores. In 2018, 2019 and 2020, we closed approximately 190 AHS stores and may continue to do so in the future. We may also terminate our cooperation with our AHS store partners if their business, financial conditions and operating results are below our expectation. In the past, we terminated our cooperation with certain number of AHS store partners due to the underperformance of certain AHS stores. In addition, if our AHS store partners run into financial difficulties or even become bankrupt as a result of unsuccessful operation, our business and results of operations would be adversely affected.

In addition to our directly operated AHS stores, we also cooperate with AHS store partners to jointly operate a large number of AHS stores. As of December 31, 2020, 300 of all AHS stores are

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jointly operated by us and our AHS store partners. We provide trainings to the store operation personnel and offer other necessary supports to help with store management. Successful operations of jointly-operated stores directly affect our results of operations. However, our AHS store partners are independent from us. Despite the fact that we have direct access to key operational data of jointly-operated stores, we do not have a complete control on every aspect of the store operation. The efficiency and effectiveness of the store operations may be compromised if we fail to effectively monitor the store operations. Even if we can effectively monitor the operation of these AHS stores, there are still a number of factors beyond our control which may result in failure by our AHS store partners to successfully operate AHS partner stores in a manner consistent with our standards and requirements. For example, despite the training and support we provide to the AHS partner stores, our AHS store partners may not be able to hire qualified clerks and other store operating personnel or provide optimal customer services, encounter financial difficulties or fail to achieve expected amount of orders, which may negatively affect our results of operations. While we have the right to terminate our agreements with AHS store partners if they breach any material provisions of these agreements, we may not be able to identify problems and take action in a timely manner. As a result, our image and reputation may suffer, and our results of operations could be adversely affected.

The successful operations of our PJT Marketplace and Paipai Marketplace depend on our ability to maintain and attract more third-party merchants and consumers to our online marketplaces.

Third-party merchants and consumers play an important role in the successful operations of our online marketplaces. In terms of GMV, 61.2% of all of the pre-owned consumer products on our PJT Marketplace and 93.0% of all of the pre-owned consumer products on our Paipai Marketplace were sold by third-party merchants in 2020. As a result, attracting and maintaining our relationship with consumers and third-party merchants to our online marketplaces are critical to our business and results of operations. However, we may not be able to do so due to a number of factors, some of which are beyond our control. For example, if the transaction volume or the number of users on our marketplaces drop significantly, our third-party merchants may experience sales declines. As a result, they may not be able to generate profits as they expected, and thus choose not to renew their agreements with us. In addition, we may also be unable to continuously offer attractive terms or economic benefits to our third-party merchants or provide value-added services that meet the demand of third-party merchants. As a result, our third-party merchants may not be effectively motivated to sell more products or maintain the relationship with us. In addition, we may not be able to attract or maintain our existing customer base on our online marketplaces, which could result in a decline in the transaction volumes and thus negatively affect our business and results of operations.

We are subject to various risks in connection with our cooperation with third-party merchants.

Even if we are able to maintain our relationship with third-party merchants and attract more third-party merchants and consumers to our online marketplaces, we are subject to various risks in connection with third-party merchants. We do not have as much control over the quality of pre-owned products sold by third-party merchants on our online marketplaces as we do over the products that we sell directly ourselves. In particular, under POP model, we do not inspect pre-owned consumer electronics sold by them on our platform, nor do we determine the prices of those products, which makes it more difficult for us to ensure that consumers and third-party merchants get the same high-quality products and services for all products sold on our marketplaces. If any third-party merchant fails to adhere to our quality standards and requirements, fails to timely deliver the products to buyers, delivers products that are defective or materially different from description, sells counterfeit or unlicensed products, or sells products without licenses or permits as required by the relevant laws and regulations even though we have requested such licenses or permits in our standard form contract with the third-party merchant, the reputation of our online marketplaces and our brands could be materially

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and adversely affected and we could face claims to hold us liable for the losses. Moreover, despite our efforts to prevent it, some products sold on our online marketplaces may compete with the products we sell directly, which may cannibalize our sales on our online marketplaces. The occurrence of any of the above could have a material and adverse effect on our expansion plans, business prospects, results of operations and financial condition.

Privacy concerns relating to pre-owned consumer electronics and the collection, store and use of customer information could deter current and potential customers from choosing our products or services, damage our reputation, impede our business growth and thus negatively impact our business.

Concerns about mishandling personal information or other private and sensitive information stored in pre-owned consumer electronics, even if unfounded, or a general lack of confidence in the security of privacy in connection with pre-owned consumer electronics could deter current and potential consumers or third-party merchants from using our services, damage our reputation, cause us to lose consumers or third-party merchants and adversely affect our operating results. In addition, we collect, store and use personal information of our consumers or third-party merchants to provide better services. While we strive to comply with applicable data protection laws and regulations, as well as our own privacy policies and other obligations we may have with respect to privacy and data protection, failure or perceived failure to comply may result, and in some cases has resulted, in customer complaints, and may also result in inquiries and other proceedings or actions against us by government agencies or others, as well as negative publicity and damage to our reputation and brand, each of which could cause us to lose users, consumers or third-party merchants, and have an adverse effect on our business. In addition, any systems failure or compromise of our security that results in the unauthorized access to or release of our customers’ data could significantly limit the adoption of our products and services, as well as harm our reputation and brand and, therefore, our business. We strictly limit third-parties’ access to customer privacy data, and we expend significant resources on technology and our daily operations to protect against leakage of customer information and other security breaches. Nonetheless, given its great commercial value, customer data may still be hacked and misused by third parties, which could expose us to legal and regulatory risks and seriously harm our business.

The PRC regulatory and enforcement regime with regard to data security and data protection is evolving. In particular, on May 28, 2020, the National People’s Congress of the PRC enacted the Civil Code of the People’s Republic of China, or Civil Code, which came into effect on January 1, 2021. The Civil Code, in addition to the systematic codification of provisions from existing legislations, establishes general principles of privacy right and the protection of personal information, and provides clearer legal basis for civil actions against privacy and personal information related infringements and breaches. Other than Civil Code, more specific provisions in relation to data privacy and cybersecurity are mainly set out in existing legislations including the PRC Cyber Security Law (effective from June 1, 2017), the PRC E-commerce Law (effective from January 1, 2019), and the PRC Consumer Rights Protection Law (latest revision effective from March 15, 2014). Further, the Standing Committee of the National People’s Congress of the PRC has published the draft PRC Data Security Law on July 3, 2020, and the draft PRC Personal Information Protection Law on October 21, 2020. Once enacted, these two laws, together with the current legislations, will form an increasingly comprehensive legal framework in the area of data security and data protection in the PRC. See “Regulation—Regulations Relating to Internet Security and Privacy” for more details. Information and data privacy legislations have also been evolving significantly in other jurisdictions these years. For example, in the European Union, or EU, the General Data Protection Regulation, or GDPR, which came into effect on May 25, 2018, presents increased challenges and risks in relation to policies and procedures relating to data collection, storage, transfer, disclosure, protection and privacy, and will impose significant penalties for non-compliance, including for example, penalties calculated as a percentage of global revenue under

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the GDPR. In the United States, various federal, state and foreign legislative and regulatory bodies, or self-regulatory organizations, may expand current laws or regulations, enact new laws or regulations or issue revised rules or guidance regarding privacy, data protection, information security. For example, California recently enacted the California Consumer Privacy Act, which, among other things, requires new disclosures to California consumers and afford such consumers new abilities to opt out of certain sales of personal information. Outside of the European Union and the U.S., many countries and territories have laws, regulations, or other requirements relating to privacy, data protection, information security, and consumer protection, and new countries and territories are adopting such legislation or other obligations with increasing frequency. New laws or regulations concerning data protection, or the interpretation and application of existing consumer and data protection laws or regulations, which is often uncertain and in flux, may be inconsistent with our practices. If so, in addition to the possibility of fines, this could result in an order requiring that we change our practices, which could have an adverse effect on our business and operating results. Complying with new laws and regulations could cause us to incur substantial costs or require us to change our business practices in a manner materially adverse to our business. If we or those with whom we share information fail to comply with these laws and regulations or experience a data security breach, our reputation could be damaged and we could be subject to additional litigation and regulatory risks.

Our expansion into new product categories and offering of new services may expose us to new challenges and more risks.

As of December 31, 2020, over 82% and approximately 49% of the pre-owned consumer products traded on our PJT Marketplace and Paipai Marketplace, respectively, were cell phones. In recent years, we have expanded our business to cover more types of pre-owned consumer electronics, such as laptops, tablets and drones. In the future, we may expand our business to cover more diversified pre-owned product categories, such as bags and various household goods, and provide new services, such as launching our premium paid membership program and offline boutique retail stores, to further attract consumers and third-party merchants and increase the transaction volumes on our platform. Expansion into diverse new product categories and service offerings involves new risks and challenges. Our lack of familiarity with these products and services and lack of relevant customer data relating to these products and services may make it more difficult for us to anticipate customer demand and preferences. We may also be unable to effectively inspect and control the quality of these pre-owned goods appropriately or we may misjudge customer demand on our new service offerings. We may also face costly product liability claims, which would harm our brand and reputation as well as our financial performance. If competition in the new product and service categories intensifies, we may have to price aggressively and invest heavily to gain market share or remain competitive, which may adversely affect our profitability. As a result of various uncertainties and risks, it may be difficult for us to achieve profitability in the new product and service categories and our profit margin in these categories, if any, may be lower than we anticipate, which would adversely affect our overall profitability and results of operations. We cannot assure you that we will be able to recoup our investments in introducing these new product and service categories.

We may incur liability or become subject to claims or administrative penalties for stolen products sold on our platform or counterfeit, infringing, illegal or unauthorized products sold on our platform.

Pre-owned consumer electronics sold on our online marketplaces are sourced by us or third-party merchants from various channels. We have adopted measures to verify the authenticity and authorization of pre-owned consumer electronics sold on our online marketplaces and avoid potential infringement of third-party intellectual property rights in the course of sourcing and selling products. We have also invested heavily in our inspection and authentication processes and we reject items we believe to be counterfeit. However, we cannot assure you that we are able to identify any and all

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unauthorized, counterfeit or illegal products, especially components and parts or accessories of the pre-owned consumer electronics, that infringe third parties’ intellectual property rights given the large amount of pre-owned consumer electronics being inspected. As the sophistication of counterfeiters increases, it may be increasingly difficult to identify counterfeit pre-owned consumer electronics and their components, parts and accessories. In terms of GMV, in 2020, 32.7% of all of the pre-owned consumer products sold on our PJT Marketplace and 93.0% of the pre-owned consumer products on our Paipai Marketplace were inspected by third-party merchants as opposed to going through our inspection procedures. Under our standard form agreements, we typically require third-party merchants to indemnify us for any losses we suffer or any costs that we incur if the pre-owned consumer electronics they sell on our online marketplaces are stolen products or counterfeit, unauthorized or refurbished products. However, we may not be able to successfully enforce our contractual rights and may need to initiate costly and lengthy legal proceedings in China to protect our rights. In the event that counterfeit, unauthorized or infringing products are sold on our online marketplaces or infringing content is posted on our online marketplaces, we could face claims that may subject us to liabilities. If we fail to identify any infringing pre-owned consumer electronics including components and parts or accessories and such products are sold to purchasers, we may be subject to infringement claims and our reputation will also be harmed. Irrespective of the validity of such claims, we could incur significant costs and efforts in either defending against or settling such claims. If there is a successful claim against us, we might be required to pay substantial damages or refrain from further selling the relevant products. Potential liabilities we may be subject to under PRC law if we negligently participated or assisted in infringement activities associated with counterfeit products include injunctions to cease infringing activities, rectification, compensation, administrative penalties and even criminal liability. Moreover, such third-party claims or administrative penalties could result in negative publicity and our reputation could be severely damaged.

In addition, stolen products were and may continue to be sold on our online marketplaces, which could also result in negative publicity, and thus damage our reputation. Pursuant to relevant PRC regulations, we, as the operator of AHS Recycle, are required to record information of each pre-owned consumer electronic product sourced by us and we would be subject to administrative penalties or even criminal liability if we knowingly engage in any sale of stolen pre-owned consumer electronic product that we sourced from other parties. We have been complying with the above information recording requirement and we have also been cooperating with the Shanghai Public Security Bureau to crackdown the sales of stolen products on our online marketplaces. However, third-party sellers’ actions are beyond our control and we cannot guarantee you that our online marketplaces will not be used as a channel by certain sellers to dispose of illegal products. Any of these events could have a material and adverse effect on our business, results of operations or financial condition.

If we fail to adopt new technologies or adapt our websites, mobile apps and systems to changing user or customer requirements or emerging industry standards, or if our efforts to invest in the development of new technologies are unsuccessful or ineffective, our business may be materially and adversely affected.

To remain competitive, we must continue to enhance and improve the responsiveness, functionality and features of our mobile apps, websites and our business operation systems. The industries we operate in are characterized by rapid technological evolution, changes in user or customer requirements and preferences, frequent introductions of new products and services embodying new technologies and the emergence of new industry standards and practices, any of which could render our existing technologies and systems obsolete. Our success will depend, in part, on our ability to identify, develop, acquire or license leading technologies useful in our business, and respond to technological advances and emerging industry standards and practices, such as mobile internet, in a cost-effective and timely way. For example, we depend on the automation of our operation centers and the development and application of advanced technologies applied in our

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operation centers to effectively and efficiently inspect, grade and price the pre-owned consumer electronics we procure. In recent years, we invested in the development of many new technologies, such as supply sourcing technology and inspection, certification and pricing technology. The development of websites, mobile apps and other proprietary technologies entails significant technical and business risks. We cannot assure you that we will be able to successfully develop or effectively use new technologies, recoup the costs of developing new technologies or adapt our websites, mobile apps, proprietary technologies and systems to meet user or customer requirements or emerging industry standards. If we are unable to develop technologies successfully or adapt in a cost-effective and timely manner in response to changing market conditions or customer requirements, whether for technical, legal, financial or other reasons, our business, prospects, financial condition and results of operations may be materially and adversely affected.

We may not be able to sustain our historical growth rates in the future.

We have experienced rapid growth since we commenced our business in 2011. However, there is no assurance that we will be able to maintain our historical growth rates in future periods. Our revenue growth may slow or our revenues may decline for any number of possible reasons, such as decreased consumer spending, increased competition, slowdown in the growth or contraction of the pre-owned consumer electronics transactions and services industry in China, emergence of alternative business models, changes in government policies or general economic conditions, and natural disasters or virus outbreaks. If our growth rate declines, investors’ perceptions of our business and business prospects may be adversely affected and the market price of our ADSs could decline.

Any harm to our brands or reputation may materially and adversely affect our business and results of operations.

We believe that the recognition and reputation of our brands, such as All Things Renew (万物新生), AHS (爱回收), PJT (拍机堂) and Paipai (拍拍), among consumers and third-party merchants have contributed significantly to the growth and success of our business. Maintaining and enhancing the recognition and reputation of our brands are critical to our business and competitiveness. Many factors, some of which are beyond our control, are important to maintaining and enhancing our brand. These factors include our ability to:

We have received in the past, and we may continue to receive in the future, communications or complaints alleging that pre-owned consumer electronics sold through our platform are counterfeit,

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defective, inconsistent with the information provided on our platform, or the services provided by us are unsatisfactory to our consumers and third-party merchants. The information we include on our platform is collected and maintained by us, which may not be accurate or complete due to human error, technological issues or willful misconduct. Moreover, if third-party merchants experience difficulties in meeting our requirements or standards or provide inaccurate or unreliable information to us, we may be subject to legal liabilities for the actions or services of those third-party merchants and we may fail to maintain customer trust in our platform, which could damage our reputation, diminish the value of our brand, undermine the trust and credibility we have established and have a negative impact on our ability to attract new consumers and third-party merchants or retain our current consumers and third-party merchants. If we are unable to maintain our reputation, enhance our brand recognition or increase positive awareness of our platform and services, as well as pre-owned consumer electronics sold by us and third-party merchants through our online marketplaces, our business, growth prospects, financial condition and results of the operations could be materially and adversely affected.

In addition, negative news or media coverage of our business, our employees, our third-party service providers and business partners, our directors and management or our shareholders, including, without limitation, alleged failure to comply with applicable laws and regulations, alleged misrepresentation by our sales consultants or third-party agents, breach of data security, failure to protect user privacy, inappropriate business practices, disclosure of inaccurate operating data, negative information on blogs and social media websites, regardless of their validity, could damage our reputation. If we fail to correct or mitigate misinformation or negative information about us, including information spread through social media or traditional media channels, customer trust in us may be undermined, which would have a material adverse effect on our business, results of operations and financial condition.

If we fail to compete effectively, we may not be able to maintain or may lose market share and our business and results of operations would be materially and adversely affected.

We face intense competition in the pre-owned consumer electronics transactions and services industry in China. We compete for consumers, third-party merchants, orders, and pre-owned consumer electronics. See “Business—Competition.” Our competitors may have significantly more resources than we do, including financial, technological, marketing resources, and may be able to devote greater resources to the development and promotion of their platforms and services. They may also have deeper relationships with consumer electronics manufacturers, online marketplaces selling consumer electronics and other third-party service providers than we do. This could allow them to develop new services, adapt more quickly to changes in technology and to undertake more extensive marketing campaigns, which may render our platform less attractive to consumers and businesses and cause us to lose market share. Those smaller companies or new entrants may be acquired by, receive investment from or enter into strategic relationships with well-established and well-financed companies or investors which would help enhance their competitive positions. Moreover, intense competition in the markets we operate in may reduce our service fees and revenue, increase our operating expenses and capital expenditures, and lead to departures of our qualified employees. In addition, new and enhanced technologies may increase the competition in the pre-owned consumer electronics transactions and services industry. New competitive business models may also appear to increase the competition. We may also be harmed by negative publicity instigated by our competitors, regardless of its validity. We have encountered and may in the future continue to encounter unfair competition from our competitors, which may adversely affect our business and reputation. Failure to compete with current and potential competitors could materially harm our business, financial condition and our results of operations.

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Misconduct or illegal actions of our third-party merchants or other business partners could materially and adversely affect our reputation, business, financial condition and results of operations.

We work with third parties in providing many of our services and products on our platform, such as consumer electronics brands and e-commerce platform through which we collect pre-owned consumer electronics, third-party merchants doing transactions on our platform, and third-party logistics service providers. We carefully select our third-party suppliers, merchants, service providers and business partners, but we are not able to fully control their actions. If these third parties fail to perform as we expect, experience difficulty in meeting our requirements or standards, fail to conduct their business ethically, fail to provide satisfactory services to consumers and third-party merchants, receive negative press coverage, violate applicable laws or regulations, breach the agreements with us, or if the agreements we have entered into with the third parties are terminated or not renewed, it could damage our business and reputation. In addition, if such third-party service providers cease operations, temporarily or permanently, face financial distress or other business disruptions, increase their fees, or if our relationships with them deteriorate, we would suffer from increased costs, be involved in legal or administrative proceedings with or against our third-party service providers and experience delays in providing consumers and third-party merchants with similar services until we find or develop a suitable alternative. Furthermore, if we are unsuccessful in identifying high-quality partners, or establishing cost-effective relationships with them, or effectively managing these relationships, our business and results of operations would be materially and adversely affected.

We may be held liable for information or content displayed on or linked to our platform, which may materially and adversely affect our reputation, business and results of operations.

We may be held liable for inaccurate or incomplete information, including pre-owned product listings, that is available through or linked to our platform. The information we collect and use for pre-owned product listings may be inaccurate or incomplete due to errors or on the part of our employees or third-party information providers, or frauds. Failure to ensure the accuracy and integrity of such information, regardless of its source, could undermine customer trust, result in further administrative penalties and adversely affect our reputation, business and results of operations.

Failure to effectively deal with any misappropriation of our business opportunities, fictitious transactions or other fraudulent conduct would materially and adversely affect our business, financial condition and results of operations.

We may face risks with respect to fraudulent activities by our employees or third-party merchants. For example, we have previously identified certain employees’ misappropriation of our business opportunities at offline AHS stores. These employees purchased pre-owned consumer electronics themselves from consumers visiting AHS stores as opposed to performing their duties to complete the transactions with consumers on behalf of us. In order to combat such fraudulent activities, we installed surveillance system in AHS stores so that we are able to verify each transaction. In addition to misappropriation of our business opportunities, sellers on our marketplaces may also engage in fictitious or “phantom” transactions with themselves or collaborators in order to artificially inflate their own ratings on our online marketplace, reputation and search results rankings. This activity may harm other sellers by enabling the perpetrating seller to be favored over legitimate sellers, and may harm consumers by deceiving them into believing that a seller is more reliable or trusted than the seller actually is. This activity may also result in inflated transaction volume from our online marketplace. Sellers on our platform may also engage in other fraudulent or illegal activities. For example, a seller on our platform engaged in illegal credit card encashment activities in the past. Although we have implemented various measures to detect and reduce the occurrence of fraudulent activities on our platform, there can be no assurance that such measures will be effective in combating fraudulent

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activities. Moreover, illegal, fraudulent or collusive activities by our employees, such as fraud, bribery or corruption, could also subject us to liability or negative publicity or cause losses. For example, we incurred economic loss in the past due to a former employee’s fraudulent behavior in a procurement transaction. Although we have internal controls and policies with regard to the review and approval of sales activities and other relevant matters, our employees’ actions are beyond our control. We cannot assure you that our internal control measures and policies will prevent fraud or illegal activity by our employees. Negative publicity and user sentiment generated as a result of actual or alleged fraudulent or deceptive conduct on our platform or by our employees could also severely diminish consumer confidence in us, reduce our ability to attract new or retain current consumers and third-party merchants, damage our reputation and diminish the value of our brand names, and materially and adversely affect our business, financial condition and results of operations.

We may not be able to successfully halt the operations of websites that aggregate our data as well as data from other companies, or “copycat” websites that misappropriate our data.

Due to the lack of widely accepted industry standards and practices and as a result of our industry leading position, we have seen certain websites aggregate certain data we generated in our business operations, such as pricing information for pre-owned consumer electronics. As of the date of this prospectus, we are not aware of any copycat websites that attempt to cause confusion or diversion of traffic from us. Since we have a large customer base and established the largest pre-owned consumer electronics transactions and services platform in China, we may become an attractive target to such attacks or misappropriations in the future because of our brand recognition in the pre-owned consumer electronics transactions and services industry in China. We cannot assure you that we will be able to successfully halt the operations of these websites or third parties. Failure to do so could damage our reputation, divert customer traffic or supply of pre-owned consumer electronics from us and thus maternally and negatively affect our business operations, results of operations and financial condition.

We rely on third-party payment service providers to conduct payment processing and escrow services on our marketplaces. If those services are limited, restricted, curtailed or degraded in any way or become unavailable to us or our users for any reason, our business may be materially and adversely affected.

Our users make payments through a variety of methods, including payment on our marketplaces or through our third-party online payment service partners, such as Weixin and Fuiou Pay (富友支付). These services are critical to our platform. We rely on the convenience and ease of use that these service providers provide to our users. If the quality, utility, convenience or attractiveness of the services of these service providers decline for any reason, the attractiveness of our platform could be materially and adversely affected.

Business involving online payment services is subject to a number of risks that could materially and adversely affect third-party online payment service providers’ ability to provide payment processing and escrow services to us, including:

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In addition, certain commercial banks in China impose limits on the amounts that may be transferred by automated payment from customers’ bank accounts to their linked accounts with third-party payment services. Although we believe the impact of these restrictions has not been and will not be significant in terms of the overall volume of payments processed on our platform, and automated payment services linked to bank accounts represent only one of many payment mechanisms that consumers may use to settle transactions, we cannot predict whether these and any additional restrictions that could be put in place would have a material adverse effect on our platform.

In addition, we cannot assure you that we will be successful to enter into and maintain amicable relationships with online payment service providers. Identifying, negotiating and maintaining relationships with these providers require significant time and resources. They could choose to terminate their relationships with us or propose terms that we cannot accept. In addition, these service providers may not perform as expected under our agreements with them, and we may have disagreements or disputes with such payment service providers, any of which could adversely affect our brand and reputation as well as our business operations.

We are subject to certain risks relating to third-party logistics services and our operation centers.

We and third-party merchants on our marketplaces rely on third-party logistics service providers to deliver pre-owned consumer electronics to our operation centers and from our operation centers to buyers. Since the products being shipped generally are high-value goods, reliable services from third-party logistics service providers are of great importance to us. The efficient operation of our business also depends on the timely delivery of pre-owned consumer electronics. However, third-party service providers may not be able to consistently provide timely and proper delivery of pre-owned consumer electronics. In the past, we experienced product damage and product loss incidences and had disputes with certain logistics service providers. We may continue to experience similar incidents or disputes in the future. In addition, logistics services could also be suspended and thereby interrupt the supply of pre-owned consumer electronics if unforeseen events that are beyond our control occur, such as inclement weather, natural disasters, health epidemics, transportation disruptions or labor unrest. For example, the shipment and delivery of pre-owned consumer electronics were negatively affected by COVID-19. In addition, if our third-party logistics service providers fail to comply with applicable rules and regulations in China, the delivery of pre-owned consumer electronics could be materially and adversely affected. We may not be able to find reliable alternative third-party logistics companies to provide delivery services in a timely manner, or at all. Delivery of pre-owned consumer electronics could also be affected or interrupted by the merger, acquisition, insolvency or shut-down of the delivery companies we engage to make deliveries, especially those local companies with relatively small business scales. If pre-owned consumer electronics are not delivered in proper conditions or on a timely basis, buyers may refuse to accept products purchased on our platform and lose confidence in our platform, and our business and reputation could suffer. Furthermore, delivery personnel of contracted third-party logistics service providers act on our behalf and directly interact with consumers or third-party merchants. We need to effectively manage these third-party logistics service providers to ensure the quality of customer services. We have in the past received user complaints from time to

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time regarding our delivery and return and exchange services. Any failure to provide high-quality delivery services to consumers or third-party merchants may negatively impact their experience with us, damage our reputation and business operations.

As of December 31, 2020, we had six regional operation centers across Mainland China and one regional operation center in Hong Kong. A vast majority of pre-owned consumer electronics sold on our marketplaces are first shipped to our operation centers in different locations for inspection, grading and pricing before they are sold to buyers. In addition, our operation centers serve as warehouses for pre-owned consumer electronics before they are delivered to buyers. If any business interruptions or accidents, including health pandemics and fires, were to occur, causing damage to pre-owned consumer electronics or our operation centers, our ability to provide services such as inspection, grading and pricing services could be materially and adversely affected and the shipment of pre-owned consumer electronics could be delayed. For example, during the COVID-19 pandemic in early 2020, we had to temporarily shut down our seven regional operation centers. These operation centers gradually resumed operations starting from February 10, 2020. As of April 1, 2020, all of our operation centers resumed normal operation. We cannot assure you that operation interruptions or service suspensions would not occur in the future. Any interruption or suspension of operation could have a material adverse effect on our market reputation, business, financial condition and results of operations.

Our product delivery, return, exchange and warranty policies may materially and adversely affect our results of operations.

We have adopted shipping policies that do not necessarily pass the full cost of shipping on to consumers and third-party merchants. We also have adopted customer-friendly return and exchange policies that make it convenient and easy for consumers and third-party merchants to change their minds after completing purchases. In addition, pre-owned consumer electronics sold on our Paipai Selection flagship stores are also subject to a one-year warranty. We may also be required by law to adopt new or amend existing return and exchange or warranty policies from time to time. These policies improve customers’ experience with us and promote customer loyalty, which in turn help us acquire and retain consumers and third-party merchants. However, these policies also subject us to additional costs and expenses which we may not recoup through increased revenue. Our ability to handle a large volume of returns is unproven. If our return and exchange policy is misused by a significant number of consumers and third-party merchants, our costs may increase significantly and our results of operations may be materially and adversely affected. If we revise these policies to reduce our costs and expenses, consumers and third-party merchants may be dissatisfied, which may result in loss of existing consumers and third-party merchants or failure to acquire new consumers and third-party merchants at a desirable pace, which may materially and adversely affect our results of operations. In addition, any negative publicity related to the quality of pre-owned consumer electronics sold on our marketplaces, with or without merits, could damage our brand image, decrease customer demand, and thus materially and adversely affect our business, operating results and financial condition.

We may be subject to product liability claims.

The pre-owned consumer electronics sold, either by third-party merchants or by us, on our online marketplaces may be defective. As a result, sales of such products could expose us to product liability claims relating to personal injury or property damage and may require product recalls or other actions. Third parties subject to such injury or damage may bring claims or legal proceedings against us as the seller of the product. Although we would have legal recourse against the manufacturer of such products under PRC law, attempting to enforce our rights against the manufacturer may be expensive, time-consuming and ultimately futile. In addition, we do not currently maintain any third-party liability

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insurance or product liability insurance in relation to products we sell. As a result, any material product liability claim or litigation could have a material and adverse effect on our business, financial condition and results of operations. Even unsuccessful claims could result in the expenditure of funds and managerial efforts in defending them and could have a negative impact on our reputation.

If we fail to manage our inventory effectively, our results of operations, financial condition and liquidity may be materially and adversely affected.

We depend on our demand forecasts for various kinds of pre-owned consumer electronics to manage our inventory. Demand for pre-owned consumer electronics, however, can change significantly between the time inventory is ordered and the date by which they are sold. Demand may be affected by seasonality, new product launches, changes in product cycles and pricing, product defects, and changes in consumer spending patterns, among other factors, and consumers and third-party merchants may not order pre-owned consumer electronics in the quantities that we expect.

Our net inventories were RMB75.2 million as of December 31, 2018, RMB65.6 million as of December 31, 2019 and RMB177.0 million (US$27.1 million) as of December 31, 2020. As we plan to continue expanding our product offerings, we expect to include more pre-owned consumer electronics and other types of pre-owned goods in our inventory, which will make it more challenging for us to manage our inventory effectively and will put more pressure on our warehousing system.

If we fail to manage our inventory effectively, we may be subject to a heightened risk of inventory obsolescence, a decline in inventory values, and significant inventory write-downs or write-offs. In addition, we may have to lower sale prices in order to reduce inventory level, which may lead to lower income from operations. High inventory levels may also require us to commit substantial capital resources, preventing us from using that capital for other important purposes. Any of the above may materially and adversely affect our results of operations and financial condition.

On the other hand, if we underestimate demand for certain pre-owned consumer electronics, or if we are unable to obtain sufficient amount of pre-owned consumer electronics in a timely manner, we may experience inventory shortages, which might result in missed sales, diminished brand loyalty and lost revenues, any of which could harm our business and reputation.

Our business, results of operations and reputation could be negatively affected by services provided by third-party cloud service providers.

We use third-party cloud service providers to provide us with cloud services to support our business operations. With the expansion of our business, we may be required to upgrade our technology and infrastructure or those of cloud service providers to keep up with the increasing traffic on our platform. If the services provided are unable to meet our demand, or are disrupted, restricted, curtailed or degraded in any way or become unavailable to us, our business may be materially and adversely affected. In addition, we cannot assure you that we will be able to maintain amicable relationships with our cloud service providers. Our cloud service providers could choose to terminate their relationships with us or propose terms that we cannot accept. If we have to engage other cloud service providers and have to migrate our business operation data to new service providers, we cannot guarantee a smooth transition. We may suffer from unexpected incidents in the transition such as data loss, service interruptions, or loss of certain functionalities. As a result, we may have to incur extra expenses to mitigate losses incurred due to these incidents, which could be substantial. Most importantly, we may experience business interruptions due to these unexpected incidents, which would adversely affect our business operations and could also materially and adversely our results of operations. Besides, we have no control over the costs of the services provided by cloud service providers. If the prices we pay for those services rise significantly, our results of operations may be materially and adversely affected.

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Our results of operations may be subject to seasonal fluctuations.

We experience a moderate level of seasonality in our business primarily as a result of new product launches by consumer electronics manufacturers and promotional campaigns by e-commerce platforms in China. For example, we generally experience higher customer traffic and purchase orders during e-commerce platforms’ special promotional campaigns on June 18 and November 11 each year. In addition, new product launches by major cell phone brands such as Apple each year also boost our customer traffic and purchase orders. All of these activities can affect our results for those quarters. Overall, the historical seasonality of our business has been relatively mild since we are in cooperation with multiple consumer electronics manufacturers which historically had product launches generally throughout a year. Our financial condition and results of operations for future periods may continue to fluctuate. As a result, the trading price of our ADSs may fluctuate from time to time due to seasonality.

Our operations outside China are subject to a variety of costs and legal, regulatory, political and economic risks.

International expansion is a significant component of our growth strategy and may require significant capital investment, which could strain our resources and adversely impact current performance, while adding complexity to our current operations. Our overseas operations are subject to the laws of the countries in which we operate. If any of our overseas operations, or our associates or agents, violate such laws, we could become subject to sanctions or other penalties, which could negatively affect our reputation, business and operating results.

In addition, we may face operational issues that could have a material adverse effect on our reputation, business and results of operations. These issues include, without limitation:

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One or more of these factors could harm our overseas operations and consequently, could harm our overall results of operations.

If we determine our goodwill and other intangible assets to be impaired, our results of operations and financial condition may be adversely affected.

We conducted several acquisition transactions, including the acquisition of Paipai Marketplace from JD Group in June 2019. As a result of these transactions, we recognized goodwill and intangible assets (other than goodwill) of RMB19.0 million as of December 31, 2018, RMB3,486.4 million as of December 31, 2019 and RMB3,171.3 million (US$486.0 million) as of December 31, 2020. The value of goodwill and other intangible assets arising from the transactions we conducted is based on forecasts, which are in turn based on a number of assumptions. In particular, we have assumed the brand name “拍拍” owned by JD Group which has an economic life of ten years. If any of these assumptions does not materialize, or if the performance of our business is not consistent with such assumptions, we may have to write off a significant amount of our goodwill and intangible assets and record an impairment loss, which could in turn adversely affect our results of operations.

We will determine whether goodwill and certain intangible assets are impaired at least on an annual basis and there are inherent uncertainties relating to these factors and to our management’s judgment in applying these factors to the impairment assessment. We could be required to evaluate the impairment prior to the annual assessment if there are any impairment indicators, including disruptions to the operations of acquired companies, unexpected significant declines in operating results or a decline in our market capitalization, any of which could be caused by a failure to successfully operate acquired companies.

We may also suffer impairment loss if the performance of acquired companies is within the management’s expectation, but does not align with market. If we record an impairment loss as a result of these or other factors, our results of operations and financial condition may be adversely affected. In addition, impairment loss could also negatively affect our financial ratios, limit our ability to obtain financing and adversely affect our financial position. Any potential change in the amortization period of intangible assets could also increase the amortization expenses charged to our profit or loss following our regular assessment, which could in turn adversely affect our results of operations.

If we are unable to conduct our marketing activities cost-effectively, our results of operations and financial condition may be materially and adversely affected.

We have incurred significant expenses on a variety of different marketing and brand promotion efforts designed to expand our customer base, increase the transaction volume on our platform and enhance our brand recognition. For example, we entered into cooperation with top live streaming platforms to promote our platform and sell pre-owned consumer electronics. We have also placed a substantial amount of advertisements on JD Group’s platform. Our brand promotion and marketing activities may not be well received by consumers or third-party merchants and may not realize the levels of effectiveness that we anticipate. We incurred selling and marketing expenses of RMB237.6 million in 2018, RMB566.8 million in 2019 and RMB740.5 million (US$113.5 million) in 2020. These selling and marketing expenses include amortization of intangible assets, which primarily represents amortization of the business cooperation agreement, non-compete commitment, and brand names arising from the acquisition of Paipai Marketplace. Amortization of intangible assets amounted to RMB23.7 million in 2018, RMB193.2 million in 2019 and RMB308.8 million in 2020. Marketing approaches and tools in the pre-owned consumer electronics transactions and services market in China are evolving. This further requires us to enhance our marketing approaches and experiment with

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new marketing methods to keep pace with industry developments and customer preferences. Failure to refine our existing marketing approaches or to introduce new marketing approaches in a cost-effective manner could reduce our market share, cause our net revenues to decline and negatively impact our profitability.

Our success depends on the continuing and collaborative efforts of our management team, and our business may be severely disrupted if we lose their services.

Our success heavily depends upon the continued services of our management. In particular, we rely on the expertise and experience of Mr. Kerry Xuefeng Chen, our chairman and chief executive officer, and other executive officers. If one or more of our senior management were unable or unwilling to continue in their present positions, we might not be able to replace them easily or at all, and our business, financial condition and results of operations may be materially and adversely affected. If any of our senior management joins a competitor or forms a competing business, we may lose consumers, third-party merchants, suppliers, know-how and key professionals and staff members. Our senior management has entered into employment agreements and confidentiality and non-competition agreements with us. However, if any dispute arises between our officers and us, we may have to incur substantial costs and expenses in order to enforce such agreements in China or we may be unable to enforce them at all. In addition, we do not have key-man insurance for any of our executive officers or other key personnel. Events or activities attributed to our executive officers or other key personnel, and related publicity, whether or not justified, may affect their ability or willingness to continue to serve our company or dedicate their full time and efforts to our company and negatively affect our brand and reputation, resulting in an adverse effect on our business, operating results and financial condition.

If we are unable to recruit, train and retain qualified personnel or sufficient workforce while controlling our labor costs, our business may be materially and adversely affected.

We intend to hire additional qualified employees to support our business operations and planned expansion. Our future success depends, to a significant extent, on our ability to recruit, train and retain qualified personnel, particularly technical, marketing and other operational personnel with experience in the pre-owned consumer electronics transactions and services industry. Our experienced mid-level managers are instrumental in implementing our business strategies, executing our business plans and supporting our business operations and growth. The effective operation of our managerial and operating systems, operation centers, customer service center and other back office functions also depends on the hard work and quality performance of our management and employees. Since our industry is characterized by high demand and intense competition for talent and labor, we can provide no assurance that we will be able to attract or retain qualified staff or other highly skilled employees that we will need to achieve our strategic objectives. Labor costs in China have increased with China’s economic development, particularly in the large cities where we have business operations. As we have a large AHS store network we are more vulnerable to labor costs increases than that of many of our competitors, which may put us at a competitive disadvantage. If the compensation package offered by us is not competitive in the market, we may not be able to provide sufficient incentives to or maintain stable and dedicated operational staffs and other labor support. Any failure to address these risks and uncertainties could materially and adversely affect our results of operations and financial performance. In addition, our ability to train and integrate new employees into our operations may also be limited and may not meet the demand for our business growth on a timely fashion, or at all, and rapid expansion may impair our ability to maintain our corporate culture.

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Failure to obtain certain filings, approvals, licenses, permits and certificates required for our business operations may materially and adversely affect our business, financial condition and results of operations.

In accordance with the relevant PRC laws and regulations, we are required to maintain various approvals, licenses, permits and filings to operate our business, including but not limited to business license, electronic data interchange license, commercial franchise filing, and those with respect to environment protection and fire safety inspection. The obtaining of these approvals, licenses, permits and filings are subject to satisfactory compliance with, among other things, the applicable laws and regulations.

As advised by our PRC counsel, Han Kun Law Offices, electronic data interchange license, i.e., VATS License for online data processing and transaction processing business, is required for the operation of our PJT Marketplace and Paipai Marketplace. Pursuant to the Telecommunications Regulations of the PRC and the Administrative Measures for the Licensing of Telecommunications Business, failure to obtain electronic data interchange license will result in administrative penalties including confiscation of illegal income, a fine up to five times of the illegal income or RMB1 million if there’s no illegal income, and business suspension in certain serious circumstances. As of the date of this prospectus, we are in the process of obtaining such license from relevant government authority.

We have not obtained business operation license for a large number of self-operated offline AHS stores. As of December 31, 2020, there were a total of 111 self-operated offline AHS stores for which we had not obtained business operation license. Pursuant to the Administrative Regulations of the PRC on Company Registration and the Measures for the Investigation and Punishment of Unpermitted and Unlicensed Business Operations, failure to obtain business operation license for each self-operated offline AHS store will result in a fine up to RMB10,000. We are currently in the process of obtaining business license and completing relevant filings.

Our collaboration with AHS store partners to jointly operate offline AHS stores is subject to relevant PRC regulations governing franchise business. As advised by our PRC counsel, PRC laws and regulations require a franchiser to make franchise filing with relevant governmental authorities after entering into the first franchising agreement, and to further update such filing within 30 days after any change occurs to the filed information including those regarding the distribution of stores of all franchisees across Mainland China. Failure to do so would subject such franchiser to relevant governmental authority’s order for the completion of such filings within a prescribed period of time and a fine up to RMB50,000. If such filings are not completed within the prescribed period of time, a fine up to RMB100,000 would be imposed and an announcement shall be made accordingly. As of the date of this prospectus, we have made the initial franchise filing but have not updated such filing to reflect a substantial number of jointly-operated offline AHS stores, and we are still in the process of rectifying such non-compliance.

In addition, as of the date of this prospectus, we have not filed environmental impact registration forms with relevant governmental authorities for our operation centers in Mainland China, nor have we obtained the certificate for fire control inspection for certain of these operation centers. As a result, each of these operation centers may be subject to a fine up to RMB50,000 for failure to file environmental impact registration forms, and a fine up to RMB300,000 or even suspension of business for failure to complete fire control inspection procedures. We are taking rectification measures now, but we cannot assure you that such non-compliance can be rectified in a timely manner.

Furthermore, uncertainties exist with respect to the interpretation of relevant legal requirements regarding certain licenses and permits. In practice, relevant government authorities may take the view that certain license is not required for operating our business though there may be different

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interpretations with respect to the licensing requirements. We cannot assure you that relevant government authorities’ interpretation on such licensing requirements will remain the same in the future. If we are required to obtain relevant licenses, we will have to obtain those licenses in a timely manner. In addition, government authorities may impose additional licenses or permits or provides more strict supervision requirements in the future. There is no guarantee that we would be able to obtain such licenses or permits or meet all the supervision requirements in a timely manner, or at all.

Our leased property interest may be defective and such defects may negatively affect our right to such leases.

We currently lease several premises in China. Ownership certificates or other similar proof of certain leased properties have not been provided to us by the relevant lessors. Therefore, we cannot assure you that such lessors are entitled to lease the relevant real properties to us. It is also likely that the construction of such leased properties was illegal and such properties may be ordered by relevant government authorities to be demolished. In addition, a lessor may have failed to lease a property to us in accordance with the intended use specified on the land use right certificate. As a result, we may not be able to continue to use such leased properties and have to relocate to other premises. We cannot assure you that suitable alternative locations are readily available on commercially reasonable terms, or at all, and if we are unable to relocate our operations in a timely manner, our operations may be adversely affected.

In addition, under the PRC laws and regulations, all lease agreements are required to be registered with the local land and real estate administration bureau. The lease agreements for some of our leased properties in China have not been registered with the relevant PRC government authorities. Although failure to do so does not in itself invalidate the leases, we may be subject to fines if we fail to rectify such non-compliance within the prescribed time frame after receiving notice from the relevant PRC government authorities. The penalty ranges from RMB1,000 to RMB10,000 for each unregistered lease, at the discretion of the relevant authority. In the event that any fine is imposed on us for our failure to register our lease agreements, we may not be able to recover such losses from the lessors.

Strategic acquisition of and investments in businesses and assets, and the subsequent integration of newly acquired businesses into our own, create significant challenges that may have a material adverse effect on our business, reputation, results of operations and financial condition.

To further expand our business and strengthen our market-leading position, we may tap into new market opportunities or enter into new markets by forming strategic alliances or making strategic investments and acquisitions. For example, we acquired an online consumer marketplace for pre-owned products, Paipai, from JD Group in 2019. The addition of Paipai has expanded our business to cover consumer online marketplace business, significantly increased our customer traffic, generated synergies to our existing businesses and strengthened our market position in the pre-owned consumer electronics transactions and services market. If we are presented with appropriate opportunities in the future, we may acquire or invest in additional businesses or assets that are complementary to our business. For example, we plan to leverage our technology and service offerings to collaborate with international device resellers and may pursue international strategic initiatives through mergers, acquisitions and joint ventures outside of China. However, strategic acquisitions and the subsequent integration of new businesses and assets into our own would require significant attention from our management and could result in a diversion of resources from our existing business, which in turn could have an adverse effect on our business operations. In addition, acquisitions could result in potential dilutive issuances of equity securities, use of substantial amounts of cash, significant increase of our interest expense, leverage and debt service requirements if we incur additional debt to pay for an acquisition or investment and exposure to potential ongoing financial obligations and unforeseen or

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hidden liabilities of the acquired businesses. The cost and duration of, and difficulties in, integrating newly acquired businesses and managing a larger overall business could also materially exceed our expectations. After devoting significant resources to potential acquisitions, the transactions may not be closed successfully due to strengthened anti-monopoly enforcement in China. Moreover, we may not be able to achieve our intended strategic synergies and may record substantial impairment charges to goodwill, if we fail to successfully integrate the newly acquired businesses or manage a larger business. Our equity investees may generate significant losses, a portion of which will be shared by us in accordance with U.S. GAAP. In addition, we may incur impairment losses if the financial or operating results of those investees fail to meet the expectations. In connection with acquisitions, joint ventures or strategic investments outside China, we may from time to time, in some instances enter into foreign currency contracts or other derivative instruments to hedge some or all of the foreign currency fluctuation risks, which subjects us to the risks associated with such derivative contracts and instruments. No assurance can be given that our acquisitions, joint ventures and other strategic investments will be successful and any negative developments in connection with our acquisitions or strategic investment could have a material adverse effect on our business, reputation, results of operations and financial condition.

Any failure or perceived failure by us to comply with anti-monopoly laws and regulations may result in governmental investigations or enforcement actions, litigation or claims against us and could have an adverse effect on our business, financial condition and results of operations.

We have historically invested in or acquired certain assets or equity interests in other companies. We have also been invested by certain investors and entered into business cooperation with certain investor. In the future, we may continue to conduct acquisitions or investment transactions. By conducting these transactions, we are subject to risks related to compliance with relevant anti-monopoly laws and regulations. The PRC anti-monopoly enforcement agencies have in recent years strengthened enforcement under the PRC Anti-monopoly Law. In March 2018, the SAMR was formed as a new governmental agency to take over, among other things, the anti-monopoly enforcement functions from the relevant departments under the MOFCOM, the NDRC and the SAIC, respectively. Since its inception, the SAMR has continued to strengthen anti-monopoly enforcement. On December 28, 2018, the SAMR issued the Notice on Anti-monopoly Enforcement Authorization, which grants authorities to its province-level branches to conduct anti-monopoly enforcement within their respective jurisdictions. On September 11, 2020, the SAMR issued Anti-monopoly Compliance Guideline for Operators, which requires, under the PRC Anti-monopoly Law, operators to establish anti-monopoly compliance management systems to prevent anti-monopoly compliance risks. On February 7, 2021, the Anti-monopoly Commission of the State Council officially promulgated the Anti-Monopoly Guidelines for Platform Economy. Pursuant to an official interpretation from the Anti-monopoly Commission of the State Council, the Anti-Monopoly Guidelines for Platform Economy mainly covers five aspects, including general provisions, monopoly agreements, abusing market dominance, concentration of undertakings, and abusing of administrative powers eliminating or restricting competition. The Anti-Monopoly Guidelines for Platform Economy prohibits certain monopolistic acts of internet platforms so as to protect market competition and safeguard interests of users and undertakings participating in internet platform economy, including without limitation, prohibiting platforms with dominant position from abusing their market dominance (such as discriminating customers in terms of pricing and other transactional conditions using big data and analytics, coercing counterparties into exclusivity arrangements, using technology means to block competitors’ interface, favorable positioning in search results of goods displays, using bundle services to sell services or products, compulsory collection of unnecessary user data). In addition, the Anti-Monopoly Guidelines for Platform Economy also reinforces antitrust merger review for internet platform related transactions to safeguard market competition. As the Anti-Monopoly Guidelines for Platform Economy was newly promulgated, we are uncertain to estimate its specific impact on our business, financial condition,

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results of operations and prospects. There are also uncertainties with respect to the interpretation of relevant anti-monopoly laws and regulations. Certain transactions may not trigger reporting requirements prima facie but turn out to be subject to relevant reporting obligations. Enforcement agencies also have a wide discretion in their enforcement actions. Not only ongoing transactions, but also historical transactions are subject to their enforcement review. We cannot assure you that we will not be subject to any enforcement actions in our future acquisition transactions, nor can we guarantee that our historical acquisition transactions or our shareholders’ investments in our company are in full compliance with relevant anti-monopoly laws and regulations in all respects. If any non-compliance is raised by relevant authorities and determined against us or our counterparties in relevant transactions, we may be subject to fines and other penalties and, in extreme cases, completed historical transactions may have to be rescinded so as to return to the pre-transaction status, which could have a material and adverse effect on our business, financial condition and results of operations.

Any breaches to our security measures, including unauthorized access, computer viruses and “hacking” may adversely affect our database and reduce use of our services and damage our reputation and brand names.

We process and store data during our ordinary course of business, which makes us or third-party service providers who host our servers targets and potentially vulnerable to cyber-attacks, computer viruses, physical or electronic break-ins, or similar disruptions. Breaches to our security measures, including computer viruses and hacking, may result in significant damage to our hardware and software systems and database, disruptions to our business activities, inadvertent disclosure of confidential or sensitive information, interruptions in access to our platform, and other material adverse effects on our operations, during the transfer of data or at any time, and result in persons obtaining unauthorized access to our systems and data. Our systems may be subject to infiltration as a result of third-party action, employee error, malfeasance or otherwise. While we have taken steps to protect the confidential information that we have access to, techniques used to sabotage or obtain unauthorized access to systems change frequently and generally are not recognized until they are launched against a target, we may be unable to anticipate these techniques or to implement adequate preventative measures. Any accidental or willful security breaches or other unauthorized access to our platform could cause confidential customer and investor information to be stolen and used for criminal purposes. Security breaches or unauthorized access to confidential information could also expose us to liability related to the loss of the information, time-consuming and expensive litigation and negative publicity. If security measures are breached because of any third-party action, employee error, malfeasance or otherwise, or if design flaws in our technology infrastructure are exposed and exploited, our relationships with customers and investors could be severely damaged, we could incur significant liability and our business and operations could be adversely affected.

The proper functioning of our technology platform is essential to our business. Any failure to maintain the satisfactory performance of our websites, mobile apps and systems could materially and adversely affect our business and reputation.

The satisfactory performance, reliability and availability of our technology platform are critical to our success and our ability to attract and retain consumers and third-party merchants and provide quality customer service. Almost all of the sales of pre-owned consumer electronics are made through our online marketplaces. The operations of offline AHS stores also rely on our proprietary business management systems and other technology systems. Any system interruptions caused by telecommunications failures, computer viruses, hacking or other attempts to harm our systems that result in the unavailability or slowdown of our mobile apps and websites or reduced order fulfillment performance could reduce the volume of products sold and the attractiveness of product offerings on our mobile apps and websites. Our servers may also be vulnerable to computer viruses, physical or electronic break-ins and similar disruptions, which could lead to system interruptions, website

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slowdown or unavailability, delays or errors in transaction processing, loss of data or the inability to accept and fulfill customer orders. Security breaches, computer viruses and hacking attacks have become more prevalent in our industry. Because of our brand recognition in the pre-owned consumer electronics transactions and services industry in China, we believe we are a particularly attractive target for such attacks. We have experienced in the past, and may experience in the future, such attacks and unexpected interruptions. We can provide no assurance that our current security mechanisms will be sufficient to protect our IT systems from any third-party intrusions, viruses or hacker attacks, information or data theft or other similar activities. Any such future occurrences could reduce customer satisfaction, damage our reputation and result in a material decrease in our revenue.

Additionally, we must continue to upgrade and improve our technology platform to support our business growth, and failure to do so could impede our growth. However, we cannot assure you that we will be successful in executing these system upgrades and improvement strategies or when the execution of these system upgrades and improvement strategies will be effective. In particular, our systems may experience interruptions during upgrades, and the new technologies or infrastructures may not be fully integrated with the existing systems on a timely basis, or at all. If our existing or future technology platform does not function properly, it could cause system disruptions and slow response times, affecting data transmission, which in turn could materially and adversely affect our business, financial condition and results of operations.

Our business is dependent on the performance of the internet and mobile internet infrastructure and telecommunications networks in China, which may not be able to support the demands associated with our growth.

Our business operations are heavily dependent on the performance and reliability of China’s internet infrastructure, the continual accessibility of bandwidth and servers to our service providers’ networks, and the continuing performance, reliability and availability of our technology platform. We use the internet to deliver services to consumers and third-party merchants, who access our websites and mobile apps on the internet. We rely on major Chinese telecommunication companies to provide us with bandwidth for our services, and we may not have any access to comparable alternative networks or services in the event of disruptions, failures or other problems. Internet access may not be available in certain areas due to national disasters, such as earthquakes, or local government decisions. Surges in internet traffic on our platform, regardless of the cause, may seriously disrupt services we provide through our platform and in-store or cause our technology systems and our platform to shut down. If we experience technical problems in delivering our services over the internet either at national or regional level or system shut downs, we could experience reduced demand for our services, lower revenues and increased costs. Consequently, our business, results of operations and financial condition would be adversely affected.

Customer growth and activity on mobile devices depends upon effective use of mobile operating systems, networks and standards that we do not control.

In addition to our websites, consumers and third-party merchants can also access to our services through our mobile apps. Although transactions conducted on our mobile apps historically did not account for a significant portion of the total transactions on our marketplaces, our future growth and our results of operations could suffer if we experience difficulties in integrating our mobile apps into mobile devices or if problems arise with our relationships with providers of mobile operating systems or mobile app download stores, if our apps receive unfavorable treatment compared to competing apps on the download stores, or if we face increased costs to distribute or have consumers or third-party merchants use our mobile apps. We are further dependent on the interoperability of our mobile apps with popular mobile operating systems that we do not control, such as iOS and Android, and any changes in such systems that degrade the functionality of our sites or give preferential treatment to competitive products

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could adversely affect the usage of our sites on mobile devices. In the event that it is more difficult for consumers or third-party merchants to access and use our sites on their mobile devices, or if consumers or third-party merchants choose not to access or to use our sites on their mobile devices or to use mobile products that do not offer access to our sites, our customer growth could be harmed and our business, financial condition and operating results may be adversely affected.

We have granted, and may continue to grant, options and other types of awards under our Share Incentive Plan, which may result in increased share-based compensation expenses.

We adopted the Amended and Restated Share Incentive Plan in March 2016, which, together with five subsequent amendments, are referred to as the 2016 Plan, for the purpose of granting share-based compensation awards to attract, motivate, retain and reward certain directors, officers, employees and other eligible persons and to further link the interests of award recipients with those of our shareholders. The maximum aggregate number of ordinary shares which may be issued pursuant to all awards under the 2016 Plan is 21,920,964 ordinary shares. As of the date of this prospectus, we have granted options to purchase 28,464,273 ordinary shares, among which options to purchase a total of 19,728,141 ordinary shares are outstanding. We have also adopted the 2021 share incentive plan, or the 2021 Plan, in April 2021. The maximum aggregate number of ordinary shares that may be issued under the 2021 Plan is 6,175,189. As of the date of this prospectus, 2,964,091 restricted share units have been granted and outstanding under the 2021 Plan.

Upon completion of this offering, options granted under the 2016 Plan that are vested will become exercisable. Therefore, we expect to record an amount of cumulative share-based compensation expense upon the completion of this offering. Were this offering completed on December 31, 2020, we would have recognized share-based compensation expense of RMB91.8 million (US$14.1 million) for those options which had been vested as of December 31, 2020. Restricted share units granted under the 2021 Plan and any additional awards that may be granted in the future will also have an impact on our results of operations in the future. We believe the granting of share-based compensation is of significant importance to our ability to attract and retain key personnel and employees, and we will continue to grant share-based compensation to employees in the future. As a result, our expenses associated with share-based compensation may increase, which may have an adverse effect on our results of operations. In addition, the issuance of additional equity upon the exercise of options or other types of awards would result in further dilution to our shareholders.

We may not be able to prevent others from unauthorized use of our intellectual property, which could harm our business and competitive position.

We regard our trademarks, copyrights, patents, domain names, know-how, proprietary technologies, and similar intellectual property as critical to our success, and we rely on a combination of intellectual property laws and contractual arrangements, including confidentiality, invention assignment and non-compete agreements with our employees and others, to protect our proprietary rights. Despite these measures, any of our intellectual property rights could be challenged, invalidated, circumvented or misappropriated, or such intellectual property may not be sufficient to provide us with competitive advantages. In addition, there can be no assurance that our patent applications will be approved, that any issued patents will adequately protect our intellectual property, or that such patents will not be challenged by third parties or found by a judicial authority to be invalid or unenforceable. Further, because of the rapid pace of technological change in our industry, parts of our business rely on technologies developed or licensed by third parties, and we may not be able to obtain or continue to obtain licenses and technologies from these third parties at all or on reasonable terms.

It is often difficult to register, maintain and enforce intellectual property rights in China. Statutory laws and regulations are subject to judicial interpretation and enforcement and may not be applied

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consistently due to the lack of clear guidance on statutory interpretation. Confidentiality, invention assignment and non-compete agreements may be breached by counterparties, and there may not be adequate remedies available to us for any such breach. Accordingly, we may not be able to effectively protect our intellectual property rights or to enforce our contractual rights in China. Policing any unauthorized use of our intellectual property is difficult and costly and the steps we take may be inadequate to prevent the infringement or misappropriation of our intellectual property. In the event that we resort to litigation to enforce our intellectual property rights, such litigation could result in substantial costs and a diversion of our managerial and financial resources, and could put our intellectual property at risk of being invalidated or narrowed in scope. We can provide no assurance that we will prevail in such litigation, and even if we do prevail, we may not obtain a meaningful recovery. In addition, our trade secrets may be leaked or otherwise become available to, or be independently discovered by, our competitors. Any failure in maintaining, protecting or enforcing our intellectual property rights could have a material adverse effect on our business, financial condition and results of operations.

We may be subject to intellectual property infringement claims, which may be expensive to defend and may disrupt our business and operations.

We cannot be certain that our operations or any aspects of our business do not or will not infringe upon or otherwise violate patents, copyrights or other intellectual property rights held by third parties. We may in the future be subject to legal proceedings and claims relating to the intellectual property rights of others. In addition, there may be other third-party intellectual property that is infringed by products or services offered by us or by third-party merchants on our marketplaces, or other aspects of our business. There could also be existing patents of which we are not aware that our products or other aspects of our business may inadvertently infringe. We cannot assure you that holders of patents purportedly relating to some aspect of our technology platform or business, if any such holders exist, would not seek to enforce such patents against us in China, the United States or any other jurisdictions. Further, the application and interpretation of China’s patent laws and the procedures and standards for granting patents in China are still evolving and are uncertain, and we cannot assure you that PRC courts or regulatory authorities would agree with our analysis. If we are found to have violated the intellectual property rights of others, we may be subject to liability for our infringement activities or may be prohibited from using such intellectual property, and we may incur licensing fees or be forced to develop alternatives of our own. In addition, we may incur significant expenses, and may be forced to divert management’s attention and other resources from our business and operations to defend against these third-party infringement claims, regardless of their merits. Successful infringement or licensing claims made against us may result in significant monetary liabilities and may materially disrupt our business and operations by restricting or prohibiting our use of the intellectual property in question. Moreover, we use open source software in connection with our products and services. Companies that incorporate open source software into their products and services have, from time to time, faced claims challenging the ownership of open source software and compliance with open source license terms. As a result, we could be subject to suits by parties claiming ownership of what we believe to be open source software or noncompliance with open source licensing terms. Some open source software licenses require users who distribute open source software as part of their software to publicly disclose all or part of the source code to such software and make available any derivative works of the open source code on unfavorable terms or at no cost. Any requirement to disclose our source code or pay damages for breach of contract could be harmful to our business, results of operations and financial condition.

If we fail to develop and maintain an effective system of internal control over financial reporting, we may be unable to accurately report our financial results or prevent fraud.

Prior to this offering, we have been a private company with limited accounting personnel and other resources with which to address our internal control over financial reporting. In connection with

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the audit of our consolidated financial statements as of and for the fiscal year ended December 31, 2018, 2019 and 2020, we and our independent registered public accounting firm identified one material weakness in our internal control over financial reporting. As defined in the standards established by the U.S. Public Company Accounting Oversight Board, or PCAOB, a “material weakness” is a deficiency, or combination of deficiencies, in internal control over financial reporting, such that there is a reasonable possibility that a material misstatement of the annual or interim financial statements will not be prevented or detected on a timely basis.

The material weakness identified is our company’s lack of sufficient skilled staff with U.S. GAAP knowledge for the purpose of financial reporting, and lack of formal accounting policies, and procedures manual to ensure proper financial reporting to comply with U.S. GAAP and SEC requirement. The material weakness, if not remediated timely, may lead to material misstatements in our consolidated financial statements in the future. Neither we nor our independent registered public accounting firm undertook a comprehensive assessment of our internal control for purposes of identifying and reporting material weaknesses and other control deficiencies in our internal control over financial reporting. Had we performed a formal assessment of our internal control over financial reporting or had our independent registered public accounting firm performed an audit of our internal control over financial reporting, additional deficiencies may have been identified.

Following the identification of the material weakness, we have taken measures and plan to continue to take measures to remediate these deficiencies. See “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Internal Control Over Financial Reporting.” However, the implementation of these measures may not fully address these deficiencies in our internal control over financial reporting, and we cannot conclude that they have been fully remediated. Our failure to correct these deficiencies or our failure to discover and address any other deficiencies could result in inaccuracies in our financial statements and impair our ability to comply with applicable financial reporting requirements and related regulatory filings on a timely basis. Moreover, ineffective internal control over financial reporting could significantly hinder our ability to prevent fraud.

Upon the completion of this offering, we will be subject to the Sarbanes-Oxley Act of 2002. Section 404 of the Sarbanes-Oxley Act, or Section 404, requires that we include a report from management on the effectiveness of our internal control over financial reporting in our annual report on Form 20-F beginning with our annual report in our second annual report on Form 20-F after becoming a public company. In addition, our independent registered public accounting firm must attest to and report on the effectiveness of our internal control over financial reporting after we become not qualified as an emerging growth company. Our management may conclude that our internal control over financial reporting is not effective. Moreover, even if our management concludes that our internal control over financial reporting is effective, our independent registered public accounting firm, after conducting its own independent testing, may issue an adverse report if it is not satisfied with our internal controls or the level at which our controls are documented, designed, operated or reviewed, or if it interprets the relevant requirements differently from us. In addition, once we have become a public company, our reporting obligations may place a significant strain on our management, operational and financial resources and systems for the foreseeable future. We may be unable to timely complete our evaluation testing and any required remediation.

During the course of documenting and testing our internal control procedures, in order to satisfy the requirements of Section 404, we may identify other weaknesses and deficiencies in our internal control over financial reporting. If we fail to maintain the adequacy of our internal control over financial reporting, as these standards are modified, supplemented or amended from time to time, we may not be able to conclude on an ongoing basis that we have effective internal control over financial reporting in accordance with Section 404. Generally speaking, if we fail to achieve and maintain an effective internal control environment, it could result in material misstatements in our financial statements and

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could also impair our ability to comply with applicable financial reporting requirements and related regulatory filings on a timely basis. As a result, our businesses, financial condition, results of operations and prospects, as well as the trading price of the ADSs, may be materially and adversely affected. Additionally, ineffective internal control over financial reporting could expose us to increased risk of fraud or misuse of corporate assets and subject us to potential delisting from the stock exchange on which we list, regulatory investigations and civil or criminal sanctions. We may also be required to restate our financial statements from prior periods.

We have limited insurance coverage, which could expose us to significant costs and business disruption.

We provide social security insurance including pension insurance, unemployment insurance, work-related injury insurance, maternity insurance and medical insurance for our employees. However, insurance companies in China currently offer limited business-related insurance products. Consistent with customary industry practice in China, we do not maintain business interruption or product transportation insurance, nor do we maintain key-man insurance. We cannot assure you that our insurance coverage is sufficient to prevent us from any loss or that we will be able to successfully claim our losses under our current insurance policy on a timely basis, or at all. If we incur any loss that is not covered by our insurance policies, or the compensated amount is significantly less than our actual loss, our business, financial condition and results of operations could be materially and adversely affected.

We may, from time to time, be subject to legal proceedings or administrative penalties during the course of our business operations.

We may be subject to legal proceedings or administrative penalties from time to time in the ordinary course of our business, which could have a material adverse effect on our business, results of operations and financial condition. Claims arising out of actual or alleged violations of law could be asserted against us by consumers and businesses that utilize our services, by competitors, or by governmental entities in civil or criminal investigations and proceedings or by other entities. These claims could be asserted under a variety of laws, including but not limited to those related to product liability, consumer protection, intellectual property, unfair competition, privacy, labor and employment, securities, real estate, tort, contract, property and employee benefit. We may continue to be involved in various legal or administrative proceedings and there is no guarantee that we will be successful in defending ourselves in legal and administrative actions or in asserting our rights under various laws. Even if we are successful in our attempt to defend ourselves in legal and administrative actions or to assert our rights under various laws, enforcing our rights against the various parties involved may be expensive, time-consuming and ultimately futile. These actions could expose us to negative publicity and to substantial monetary damages and legal defense costs, injunctive relief and criminal and civil fines and penalties, including but not limited to suspension or revocation of licenses to conduct business.

Changes in U.S. and international trade policies, particularly with regard to China, may adversely impact our business and operating results.

The U.S. government has recently made statements and taken certain actions that may lead to potential changes to U.S. and international trade policies, including recently-imposed tariffs affecting certain products manufactured in China. It is unknown whether and to what extent new tariffs (or other new laws or regulations) will be adopted, or the effect that any such actions would have on us or our industry and users. Although cross-border business may not be an area of our focus, if we plan to operate internationally in the future, any unfavorable government policies on international trade, such as capital controls or tariffs, may affect the demand for our products and services, impact the competitive position of our products or prevent us from being able to sell products in certain countries.

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If any new tariffs, legislation and/or regulations are implemented, or if existing trade agreements are renegotiated or, in particular, if the U.S. government takes retaliatory trade actions due to the recent U.S.-China trade tension, such changes could have an adverse effect on our business, financial condition, results of operations.

We may need additional capital, and financing may not be available on terms acceptable to us, or at all.

We believe that our current cash and cash equivalents and anticipated cash flow from operations will be sufficient to meet our anticipated cash needs for the next 12 months. We may, however, require additional capital to pursue our business objectives and respond to business opportunities, challenges or unforeseen circumstances, including to improve our brand awareness, build and maintain our offline network, develop new products or services or further improve existing products and services, and acquire complementary businesses and technologies. If our existing resources are insufficient to satisfy our cash requirements, we may seek to obtain a credit facility or sell additional equity or debt securities. The sale of additional equity securities could result in dilution of our existing shareholders. The incurrence of indebtedness would result in increased debt service obligations and could result in operating and financing covenants that would restrict our operations. It is uncertain whether financing will be available in amounts or on terms acceptable to us, if at all.

Our ability to retain our existing financial resources and obtain additional financing on acceptable terms is subject to a variety of uncertainties, including but not limited to:

If we are unable to obtain adequate financing or financing on satisfactory terms, our ability to continue to pursue our business objectives and to respond to business opportunities, challenges or unforeseen circumstances could be significantly limited, and our business, results of operations, financial condition and prospects could be adversely affected.

We face risks related to natural disasters, health epidemics and other outbreaks, such as the outbreak of COVID-19, which could significantly disrupt our operations.

Our business could be adversely affected by the effects of epidemics, including COVID-19, avian influenza, severe acute respiratory syndrome (SARS), influenza A (H1N1), Ebola or another epidemic. Any such occurrences could cause severe disruption to our daily operations, including our fulfillment infrastructure and our customer service centers, and may even require a temporary closure of our facilities. In recent years, there have been outbreaks of epidemics in China and globally. For example, in early 2020, in response to intensifying efforts to contain the spread of COVID-19, the Chinese government took a number of actions, which included extending the Chinese New Year holiday, quarantining individuals infected with or suspected of having COVID-19, prohibiting residents from free travel, encouraging employees of enterprises to work remotely from home and cancelling public activities, among others. The COVID-19 has also resulted in temporary closure of many corporate offices, retail stores, manufacturing facilities and factories across China. We have taken a series of measures in response to the outbreak, including, among others, remote working arrangements for

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some of our employees and temporarily allowing the government to utilize our fulfillment infrastructure and logistics services for crisis relief. These measures could reduce the capacity and efficiency of our operations and negatively impact the procurement of products, which in turn could negatively affect our results of operations. The extent to which COVID-19 impacts our results of operations will depend on the future developments of the outbreak, including new information concerning the global severity of and actions taken to contain the outbreak, which are highly uncertain and unpredictable. In addition, our results of operations could be adversely affected to the extent that the outbreak harms the Chinese economy in general. To the extent the COVID-19 pandemic adversely affects our business and financial results, it may also have the effect of heightening many of the other risks described in this annual report, such as those relating to our level of indebtedness, our need to generate sufficient cash flows to service our indebtedness and our ability to comply with the covenants contained in the agreements that govern our indebtedness.

We are also vulnerable to natural disasters and other calamities. If any such disaster were to occur in the future affecting the places where we have major operations in China, our operations could be materially and adversely affected due to loss of personnel and damages to property, including our inventory and our technology systems. Our operation could also be severely disrupted if our suppliers, consumers, third-party merchants or business partners were affected by such natural disasters or health epidemics.

Risks Related to Our Corporate Structure

If the PRC government finds that the agreements that establish the structure for operating certain of our businesses in China do not comply with PRC regulations relating to the relevant industries, or if these regulations or the interpretation of existing regulations change in the future, we could be subject to severe penalties or be forced to relinquish our interests in those operations.

Foreign ownership of certain parts of our businesses, including value-added telecommunications services, is subject to restrictions under current PRC laws and regulations. For example, foreign investors are not allowed to own in aggregate more than 50% of the equity interests in a value-added telecommunication service provider (excluding e-commerce, domestic multi-party communications, store-and-forward and call centers) and any major foreign investor must have a record of good performance and operating experience in providing value-added telecommunications services. We are a Cayman Islands company and our PRC subsidiaries are considered foreign-invested enterprises. To comply with relevant PRC laws and regulations, we conduct such business activities through one of our VIEs, Shanghai Wanwuxinsheng, which holds a VATS License for internet content-related services (excluding information search and inquiry service, information community service and real-time interactive information service and information protection and processing service), or through one of its wholly-owned subsidiary, Shanghai Yueyi, which will obtain a VATS License for online data processing and transaction processing business. Shanghai Wanwuxinsheng is 72.3425% owned by Mr. Kerry Xuefeng Chen, our co-founder, chairman of the board of directors and chief executive officer, and 27.6575% owned by Mr. Wenjun Sun, our co-founder and director. Mr. Kerry Xuefeng Chen and Mr. Wenjun Sun are PRC citizens. Our WFOE, Shanghai Aihui, has entered into a series of contractual arrangements with our VIEs (including Shanghai Wanwuxinsheng) and their respective shareholders, which enable us to:

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As a result of these contractual arrangements, we have control over and are the primary beneficiary of our VIEs and hence consolidate their financial results and their subsidiaries into our consolidated financial statements under U.S. GAAP. For a detailed discussion of these contractual arrangements, see “Corporate History and Structure.”

In the opinion of Han Kun Law Offices, our PRC counsel, (i) the ownership structures of our WFOE and our VIEs in China, both currently and immediately after giving effect to this offering, are not in violation of mandatory PRC laws and regulations currently in effect in all material respects; and (ii) the contractual arrangements between our WFOE, our VIEs and their respective shareholders governed by PRC law are not in violation of mandatory PRC laws or regulations currently in effect in all material respects, and valid and binding upon each party to such arrangements and enforceable against each party thereto in accordance with their terms and applicable PRC laws and regulations currently in effect. However, our PRC counsel has also advised us that there are substantial uncertainties regarding the interpretation and application of current and future PRC laws, regulations and rules; accordingly, the PRC regulatory authorities may take a view that is contrary to the opinion of our PRC counsel. It is uncertain whether any new PRC laws or regulations relating to variable interest entity structures will be adopted or if adopted, what they would provide. If we or our VIEs are found to be in violation of any existing or future PRC laws or regulations, or fail to obtain or maintain any of the required permits or approvals, the relevant PRC regulatory authorities would have broad discretion to take action in dealing with such violations or failures, including:

The imposition of any of these penalties would result in a material and adverse effect on our ability to conduct our business. In addition, it is unclear what impact the PRC government actions would have on us and on our ability to consolidate the financial results of our VIEs in our consolidated financial statements, if the PRC government authorities were to find our legal structure and contractual arrangements to be in violation of PRC laws and regulations. If the imposition of any of these government actions causes us to lose our right to direct the activities of our VIEs or our right to receive substantially all the economic benefits and residual returns from our VIEs and we are not able to restructure our ownership structure and operations in a satisfactory manner, we would no longer be able to consolidate the financial results of our VIEs in our consolidated financial statements. Either of these results, or any other significant penalties that might be imposed on us in this event, would have a material adverse effect on our financial condition and results of operations.

Our current corporate structure and business operations may be affected by the newly enacted Foreign Investment Law.

On March 15, 2019, the National People’s Congress of the PRC promulgated the Foreign Investment Law, which took effect on January 1, 2020. Since it is relatively new, uncertainties exist in relation to its interpretation and implementation. The Foreign Investment Law does not explicitly

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classify whether variable interest entities that are controlled through contractual arrangements would be deemed as foreign invested enterprises if they are ultimately “controlled” by foreign investors. However, it has a catch-all provision under definition of “foreign investment” that includes investments made by foreign investors in China through other means as provided by laws, administrative regulations or the State Council. Therefore it still leaves leeway for future laws, administrative regulations or provisions of the State Council to provide for contractual arrangements as a form of foreign investment, and it remains uncertain whether our contractual arrangements will be deemed to be in violation of the market access requirements for foreign investment in the PRC and if yes, how our contractual arrangements should be dealt with.

The Foreign Investment Law grants national treatment to foreign-invested entities, except for those foreign-invested entities that operate in industries specified as either “restricted” or “prohibited” from foreign investment in the Special Administrative Measures (Negative List) for Foreign Investment Access jointly promulgated by Ministry of Commerce, or MOFCOM, and the National Development and Reform Commission as amended from time to time. The Foreign Investment Law provides that foreign-invested entities are barred from operating in “prohibited” industries and will require market entry clearance and other approvals from relevant PRC government authorities if operating in “prohibited” industries. On December 26, 2019, the Supreme People’s Court issued the Interpretations on Certain Issues Regarding the Application of Foreign Investment Law, or the FIL Interpretations, which came into effect on January 1, 2020. In accordance with the FIL Interpretations, any claim to invalidate an investment agreement will be supported by courts if such agreement is found to be entered into for purposes of making investments in the “prohibited industries” under the negative list or for purposes of investing in “restricted industries” while failing to satisfy the conditions set out in the Negative List. If our control over our VIEs through contractual arrangements are deemed as foreign investment in the future, and any business of our VIEs is “restricted” or “prohibited” from foreign investment under the “negative list” effective at the time, we may be deemed to be in violation of the Foreign Investment Law, the contractual arrangements that allow us to have control over our VIEs may be deemed as invalid and illegal, and we may be required to unwind such contractual arrangements and/or restructure our business operations, any of which may have a material adverse effect on our business operation.

Furthermore, if future laws, administrative regulations or provisions mandate further actions to be taken by companies with respect to existing contractual arrangements, we may face substantial uncertainties as to whether we can complete such actions in a timely manner, or at all. Failure to take timely and appropriate measures to cope with any of these or similar regulatory compliance challenges could materially and adversely affect our current corporate structure and business operations.

We rely on contractual arrangements with our VIEs and their respective shareholders for a large portion of our business operations, which may not be as effective as direct ownership in providing operational control.

Our VIEs contributed 98.5%, 98.9% and 96.4% of our consolidated total revenues in 2018, 2019 and 2020, respectively. We have relied and expect to continue to rely on contractual arrangements with our VIEs and their respective shareholders to conduct our business. For a description of these contractual arrangements, see “Corporate History and Structure.” These contractual arrangements may not be as effective as direct ownership in providing us with control over our VIEs. For example, our VIEs and their respective shareholders could breach their contractual arrangements with us by, among other things, failing to conduct their operations in an acceptable manner or taking other actions that are detrimental to our interests.

If we had direct ownership of our VIEs, we would be able to exercise our rights as a shareholder to effect changes in the board of directors of our VIEs, which in turn could effect changes, subject to

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any applicable fiduciary obligations, at the management level. However, under the current contractual arrangements, we rely on the performance by our VIEs and their respective shareholders of their obligations under the contracts to exercise control over our VIEs. The shareholders of our VIEs may not act in the best interests of our company or may not perform their obligations under these contracts. Such risks exist throughout the period in which we intend to operate our business through the contractual arrangements with our VIEs. If any dispute relating to these contracts remains unresolved, we will have to enforce our rights under these contracts through the operations of PRC law and courts and therefore will be subject to uncertainties in the PRC legal system. See “—Any failure by our VIEs or their respective shareholders to perform their obligations under our contractual arrangements with them would have a material and adverse effect on our business.” Therefore, our contractual arrangements with our VIEs may not be as effective in ensuring our control over the relevant portion of our business operations as direct ownership would be.

Any failure by our VIEs or their respective shareholders to perform their obligations under our contractual arrangements with them would have a material and adverse effect on our business.

Although the shareholders of our VIEs hold equity interests on record in our VIEs, each such shareholder has irrevocably authorized WFOE or its designated person to exercise his rights as a shareholder of our VIEs pursuant to the terms of the relevant shareholders’ voting rights proxy agreement. However, if our VIEs or their respective shareholders fail to perform their respective obligations under the contractual arrangements, we may have to incur substantial costs and expend additional resources to enforce such arrangements. We may also have to rely on possible remedies under PRC law, including seeking specific performance or injunctive relief, and claiming damages, which we cannot assure you will be sufficient or effective under PRC law. For example, if the shareholders of our VIEs were to refuse to transfer their equity interest in our VIEs to us or our designee when we exercise the purchase option pursuant to these contractual arrangements, or if they were otherwise to act in bad faith toward us, we may have to take legal actions to compel them to perform their contractual obligations.

All of the agreements under our contractual arrangements are governed by PRC law and provide for the resolution of disputes through arbitration in China. Accordingly, these contracts would be interpreted in accordance with PRC law and any disputes would be resolved in accordance with PRC legal procedures. The legal system in China is not as developed as in some other jurisdictions, such as the United States. As a result, uncertainties in the PRC legal system could limit our ability to enforce these contractual arrangements. See “Risks Related to Doing Business in China—Uncertainties with respect to the PRC legal system and changes in laws and regulations in China could adversely affect us.” Meanwhile, there are very few precedents and little formal guidance as to how contractual arrangements in the context of a variable interest entity should be interpreted or enforced under PRC law, and as a result it may be difficult to predict how an arbitration panel would view such contractual arrangements. Additionally, under PRC law, rulings by arbitrators are final, parties cannot appeal the arbitration results in courts, and if the losing parties fail to carry out the arbitration awards within a prescribed time limit, the prevailing parties may only enforce the arbitration awards in PRC courts through arbitration award recognition proceedings, which would require additional expenses and delay.

Shanghai Wanwuxinsheng, one of our VIEs, holds our VATS License for internet content-related services (excluding information search and inquiry service, information community service and real-time interactive information service and information protection and processing service), and one of its wholly-owned subsidiary, Shanghai Yueyi, will obtain a VATS License for online data processing and transaction processing business (operating e-commerce, excluding internet finance and e-hailing services). In the event we are unable to enforce our contractual arrangements, we may not be able to exert effective control over our VIEs, and our ability to conduct these businesses may be negatively affected.

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The shareholders of our VIEs may have potential conflicts of interest with us, which may materially and adversely affect our business and financial condition.

One of our two VIEs, Shanghai Wanwuxinsheng, is 72.3425% owned by Mr. Kerry Xuefeng Chen, our co-founder, chairman and chief executive officer, and 27.6575% owned by Mr. Wenjun Sun, our co-founder and director. The other VIE, Shenzhen Lvchuang Network Technology Co., Ltd., is wholly-owned by Mr. Haichen Shen, our employee. The shareholders of our VIEs have entered into a series of contractual arrangements with our WFOE and our VIEs, pursuant to which we have control over and are the primary beneficiary of our VIEs. The shareholders of our VIEs may have potential conflicts of interest with us. They may breach, or cause our VIEs to breach, or refuse to renew, the existing contractual arrangements we have with them and our VIEs, which would have a material and adverse effect on our ability to effectively control our VIEs and receive substantially all the economic benefits from them. For example, the shareholders may be able to cause our agreements with our VIEs to be performed in a manner adverse to us by, among other things, failing to remit payments due under the contractual arrangements to us on a timely basis. We cannot assure you that when conflicts of interest arise, any or all of these shareholders will act in the best interests of our company or such conflicts will be resolved in our favor.

Currently, we do not have any arrangements to address potential conflicts of interest between these shareholders and our company, except that we could exercise our purchase option under the option purchase agreements with these shareholders to request them to transfer all of their equity interests in the VIEs to a PRC entity or individual designated by us, to the extent permitted by PRC law. For individuals who are also our directors and officers, we rely on them to abide by the laws of the Cayman Islands, which provide that directors and officers owe a fiduciary duty to the company that requires them to act in good faith and in what they believe to be the best interests of the company and not to use their position for personal gains. The shareholders of our VIEs have executed shareholders’ voting rights proxy agreements to appoint our WFOE or a person designated by our WFOE to vote on their behalf and exercise voting rights as shareholders of our VIEs. If we cannot resolve any conflict of interest or dispute between us and the shareholders of our VIEs, we would have to rely on legal proceedings, which could result in disruption of our business and subject us to substantial uncertainty as to the outcome of any such legal proceedings.

The shareholders of our VIEs may be involved in personal disputes with third parties or other incidents that may have an adverse effect on their respective equity interests in the relevant VIEs and the validity or enforceability of our contractual arrangements with the relevant entity and its shareholders. For example, in the event that any of the shareholders of our VIEs divorces his or her spouse, the spouse may claim that the equity interest of the relevant VIE held by such shareholder is part of their community property and should be divided between such shareholder and his or her spouse. If such claim is supported by the court, the relevant equity interest may be obtained by the shareholder’s spouse or another third party who is not subject to obligations under our contractual arrangements, which could result in a loss of the effective control over the relevant VIE by us. Similarly, if any of the equity interests of our VIEs is inherited by a third party with whom the current contractual arrangements are not binding, we could lose our control over the relevant VIE or have to maintain such control by incurring unpredictable costs, which could cause significant disruption to our business and operations and harm our financial condition and results of operations.

Although under our current contractual arrangements, (i) each of the spouses of Mr. Kerry Xuefeng Chen, Mr. Wenjun Sun and Mr. Haichen Shen has respectively executed a spousal consent letter, under which each spouse agrees that she will not assert any rights to the equity interests held by the shareholders of our VIEs, and will take every action to ensure the performance of the contractual arrangements, and (ii) the VIEs and their shareholders shall not assign any of their respective rights or obligations to any third party without the prior written consent of our WFOE, we cannot assure you that

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these undertakings and arrangements will be complied with or effectively enforced. In the case any of them is breached or becomes unenforceable and leads to legal proceedings, it could disrupt our business, distract our management’s attention and subject us to substantial uncertainties as to the outcome of any such legal proceedings.

Contractual arrangements in relation to our VIEs may be subject to scrutiny by the PRC tax authorities and they may determine that we or our VIEs owe additional taxes, which could negatively affected our financial condition and the value of your investment.

Under applicable PRC laws and regulations, arrangements and transactions among related parties may be subject to audit or challenge by the PRC tax authorities. We could face material and adverse tax consequences if the PRC tax authorities determine that the variable interest entity contractual arrangements were not entered into on an arm’s-length basis in such a way as to result in an impermissible reduction in taxes under applicable PRC laws, rules and regulations, and adjust the income of our VIEs in the form of a transfer pricing adjustment. A transfer pricing adjustment could, among other things, result in a reduction of expense deductions recorded by our VIEs for PRC tax purposes, which could in turn increase their tax liabilities. In addition, the PRC tax authorities may impose punitive interest and other penalties on our VIEs for the adjusted but unpaid taxes according to the applicable regulations. Our financial position could be materially and adversely affected if our VIEs’ tax liabilities increase or if they are required to pay punitive interest and other penalties.

We may lose the ability to use and enjoy assets held by our VIEs that are material to the operation of certain portion of our business if the VIEs go bankrupt or become subject to a dissolution or liquidation proceeding.

As part of our contractual arrangements with our VIEs, our VIEs and their subsidiaries hold certain assets that are material to the operation of certain portion of our business, including intellectual property and premise and VATS licenses. If our VIEs go bankrupt and all or part of their assets become subject to liens or rights of third-party creditors, we may be unable to continue some or all of our business activities, which could materially and adversely affect our business, financial condition and results of operations. Under the contractual arrangements, our VIEs may not, in any manner, sell, transfer, mortgage or dispose of their assets or legal or beneficial interests in the business without our prior consent. If our VIEs undergo a voluntary or involuntary liquidation proceeding, independent third-party creditors may claim rights to some or all of these assets, thereby hindering our ability to operate our business, which could materially and adversely affect our business, financial condition and results of operations.

If the chops of our PRC subsidiaries and our VIEs are not kept safely, are stolen or are used by unauthorized persons or for unauthorized purposes, the corporate governance of these entities could be severely and adversely compromised.

In China, a company chop or seal serves as the legal representation of the company towards third parties even when unaccompanied by a signature. Each legally registered company in China is required to maintain a company chop, which must be registered with the local Public Security Bureau. In addition to this mandatory company chop, companies may have several other chops which can be used for specific purposes. The chops of our PRC subsidiaries and VIEs are generally held securely by personnel designated or approved by us in accordance with our internal control procedures. To the extent those chops are not kept safely, are stolen or are used by unauthorized persons or for unauthorized purposes, the corporate governance of these entities could be severely and adversely compromised and those corporate entities may be bound to abide by the terms of any documents so chopped, even if they were chopped by an individual who lacked the requisite power and authority to do so. In addition, if the chops are misused by unauthorized persons, we could experience disruption

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to our normal business operations. We may have to take corporate or legal action, which could involve significant time and resources to resolve while distracting management from our operations.

Risks Related to Doing Business in China

Changes in China’s economic, political or social conditions or government policies could have a material adverse effect on our business and operations.

A substantial majority of our assets and operations are located in China. Accordingly, our business, financial condition, results of operations and prospects may be influenced to a significant degree by political, economic and social conditions in China generally and by continued economic growth in China as a whole. The PRC economy differs from the economies of most developed countries in many respects, including the level of government involvement, level of development, growth rate, control of foreign exchange and allocation of resources. Although the PRC government has implemented measures emphasizing the utilization of market forces for economic reform, the reduction of state ownership of productive assets, and the establishment of improved corporate governance in business enterprises, a substantial portion of productive assets in China is still owned by the government. In addition, the PRC government continues to play a significant role in regulating industry development by imposing industrial policies. The PRC government also exercises significant control over China’s economic growth through allocating resources, controlling payment of foreign currency-denominated obligations, setting monetary policy, and providing preferential treatment to particular industries or companies.

While the PRC economy has experienced significant growth over the past decades, growth has been uneven, both geographically and among various sectors of the economy. The growth rate of the Chinese economy has gradually slowed since 2010, and the impact of COVID-19 on the global and Chinese economy in 2020 is severe. Any adverse changes in economic conditions in China, in the policies of the PRC government or in the laws and regulations in China could have a material adverse effect on the overall economic growth of China. Such developments could adversely affect our business and operating results, lead to reduction in demand for our services and adversely affect our competitive position. The PRC government has implemented various measures to encourage economic growth and guide the allocation of resources. Some of these measures may benefit the overall PRC economy, but may have a negative effect on us. For example, our financial condition and results of operations may be adversely affected by government control over capital investments or changes in tax regulations. Any prolonged slowdown in the global and Chinese economy may reduce the demand for our products and services and materially and adversely affect our business and results of operations.

Uncertainties with respect to the PRC legal system and changes in laws and regulations in China could adversely affect us.

We conduct our business primarily through our PRC subsidiaries and our VIEs. Our operations in China are governed by PRC laws and regulations. Our PRC subsidiaries are subject to laws and regulations applicable to foreign investment in China. The PRC legal system is a civil law system based on written statutes. Unlike the common law system, prior court decisions under the civil law system may be cited for reference but have limited precedential value. In addition, any new or changes in PRC laws and regulations related to foreign investment in China could affect the business environment and our ability to operate our business in China.

From time to time, we may have to resort to administrative and court proceedings to enforce our legal rights. Any administrative and court proceedings in China may be protracted, resulting in substantial costs and diversion of resources and management attention. Since PRC administrative and

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court authorities have significant discretion in interpreting and implementing statutory provisions and contractual terms, it may be more difficult to evaluate the outcome of administrative and court proceedings and the level of legal protection we enjoy than in more developed legal systems. These uncertainties may impede our ability to enforce the contracts we have entered into and could materially and adversely affect our business and results of operations.

Furthermore, the PRC legal system is based in part on government policies and internal rules, some of which are not published on a timely basis or at all and may have retroactive effect. As a result, we may not be aware of our violation of any of these policies and rules until sometime after the violation. Such unpredictability towards our contractual, property and procedural rights could adversely affect our business and impede our ability to continue our operations.

Litigation and negative publicity surrounding China-based companies listed in the U.S. may result in increased regulatory scrutiny of us and negatively impact the trading price of the ADSs and could have a material adverse effect upon our business, including our results of operations, financial condition, cash flows and prospects.

We believe that litigation and negative publicity surrounding companies with operations in China that are listed in the U.S. have negatively impacted stock prices for such companies. Various equity-based research organizations have published reports on China-based companies after examining, among other things, their corporate governance practices, related party transactions, sales practices and financial statements that have led to special investigations and stock suspensions on national exchanges. Any similar scrutiny of us, regardless of its lack of merit, could result in a diversion of management resources and energy, potential costs to defend ourselves against rumors, decreases and volatility in the ADS trading price, and increased directors and officers insurance premiums and could have a material adverse effect upon our business, including our results of operations, financial condition, cash flows and prospects.

You may experience difficulties in effecting service of legal process, enforcing foreign judgments or bringing actions in China against us or our management based on foreign laws.

We are a company incorporated under the laws of the Cayman Islands, and a majority of our assets and operations are located in China. In addition, substantially all of our directors and officers reside within China and substantially all of them are PRC nationals. As a result, it may be difficult for you to effect service of process upon us or those persons inside Mainland China. It may also be difficult for you to enforce in U.S. courts judgments obtained in U.S. courts based on the civil liability provisions of the U.S. federal securities laws against us and our officers and directors as none of them currently resides in the United States or has substantial assets located in the United States. In addition, there is uncertainty as to whether the courts of the Cayman Islands or the PRC would recognize or enforce judgments of U.S. courts against us or such persons predicated upon the civil liability provisions of the securities laws of the United States or any state.

The recognition and enforcement of foreign judgments are provided for under the PRC Civil Procedures Law. PRC courts may recognize and enforce foreign judgments in accordance with the requirements of the PRC Civil Procedures Law based either on treaties between China and the country where the judgment is made or on principles of reciprocity between jurisdictions. China does not have any treaties or other forms of written arrangement with the United States that provide for the reciprocal recognition and enforcement of foreign judgments. In addition, according to the PRC Civil Procedures Law, the PRC courts will not enforce a foreign judgment against us or our directors and officers if they decide that the judgment violates the basic principles of PRC laws or national sovereignty, security or public interest. As a result, it is uncertain whether and on what basis a PRC court would enforce a judgment rendered by a court in the United States.

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Shareholder claims that are common in the United States, including securities law class actions and fraud claims, generally are difficult to pursue as a matter of law or practicality in China. For example, in China, there are significant legal and other obstacles to providing information needed for shareholder investigations or litigation initiated outside China. Although the authorities in China may establish a regulatory cooperation mechanism with the securities regulatory authorities of another country or region to implement cross-border supervision and administration, such cooperation with the securities regulatory authorities in the Unities States may not be efficient in the absence of mutual and practical cooperation mechanism. According to Article 177 of the PRC Securities Law which became effective in March 2020, no overseas securities regulator may directly conduct investigation or collect evidence within the territory of the PRC and no entities or individuals may provide documents or materials in connection with securities activities without proper authorization as provided by Article 177. While detailed interpretation of or implementation rules under Article 177 have yet to be available, the inability for an overseas securities regulator to directly conduct investigation or evidence collection activities within China may further increase difficulties faced by investors in protecting your interests. See also “—Risks Related to the ADSs and This Offering—You may face difficulties in protecting your interests, and your ability to protect your rights through U.S. courts may be limited, because we are incorporated under Cayman Islands law” for risks associated with investing in us as a Cayman Islands company.

Fluctuations in exchange rates could have a material and adverse effect on our results of operations and the value of your investment.

The value of the Renminbi against the U.S. dollar and other currencies may fluctuate and is affected by, among other things, changes in political and economic conditions in China and by China’s foreign exchange policies. On July 21, 2005, the PRC government changed its decade-old policy of pegging the value of the Renminbi to the U.S. dollar, and the Renminbi appreciated more than 20% against the U.S. dollar over the following three years. Between July 2008 and June 2010, this appreciation halted and the exchange rate between the Renminbi and the U.S. dollar remained within a narrow band. Since June 2010, the Renminbi has fluctuated against the U.S. dollar, at times significantly and unpredictably. On November 30, 2015, the Executive Board of IMF completed the regular five-year review of the basket of currencies that make up the Special Drawing Right, or the SDR, and decided that with effect from October 1, 2016, Renminbi is determined to be a freely usable currency and will be included in the SDR basket as a fifth currency, along with the U.S. dollar, the Euro, the Japanese yen and the British pound. In the fourth quarter of 2016, the Renminbi has depreciated significantly in the backdrop of a surging U.S. dollar and persistent capital outflows of China. This depreciation halted in 2017, and the RMB appreciated approximately 7% against the U.S. dollar during this one-year period. With the development of the foreign exchange market and progress towards interest rate liberalization and Renminbi internationalization, the PRC government may in the future announce further changes to the exchange rate system, and we cannot assure you that the Renminbi will not appreciate or depreciate significantly in value against the U.S. dollar in the future. It is difficult to predict how market forces or PRC or U.S. government policy may impact the exchange rate between the Renminbi and the U.S. dollar in the future.

Significant revaluation of the Renminbi may have a material and adverse effect on your investment. For example, to the extent that we need to convert U.S. dollars we receive from this offering into Renminbi for our operations, appreciation of the Renminbi against the U.S. dollar would have an adverse effect on the Renminbi amount we would receive from the conversion. Conversely, if we decide to convert our Renminbi into U.S. dollars for the purpose of making payments for dividends on our ordinary shares or ADSs or for other business purposes, appreciation of the U.S. dollar against the Renminbi would have a negative effect on the U.S. dollar amount available to us.

Very limited hedging options are available in China to reduce our exposure to exchange rate fluctuations. To date, we have entered into hedging transactions in an effort to reduce our exposure to

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foreign currency exchange risk. While we may decide to enter into hedging transactions in the future, the availability and effectiveness of these hedges may be limited and we may not be able to adequately hedge our exposure or at all. In addition, our currency exchange losses may be magnified by PRC exchange control regulations that restrict our ability to convert Renminbi into foreign currency.

Certain PRC regulations may make it more difficult for us to pursue growth through acquisitions.

The Regulations on Mergers and Acquisitions of Domestic Enterprises by Foreign Investors, or the M&A Rules, established additional procedures and requirements that could make merger and acquisition activities by foreign investors more time-consuming and complex. Such regulation requires, among other things, that the Ministry of Commerce, or MOFCOM, be notified in advance of any change of control transaction in which a foreign investor acquires control of a PRC domestic enterprise and involves any of the following circumstances: (i) any important industry is concerned; (ii) such transaction involves factors that have or may have impact on the national economic security; or (iii) such transaction will lead to a change in control of a domestic enterprise which holds a famous trademark or PRC time-honored brand. We do not expect that this offering will trigger MOFCOM pre-notification under each of the above-mentioned circumstances or any review by other PRC government authorities, except as disclosed below in “Risks Related to Doing Business in China—The approval of the China Securities Regulatory Commission may be required in connection with this offering, and, if required, we cannot predict whether we will be able to obtain such approval.” Moreover, the Anti-Monopoly Law promulgated by the Standing Committee of National People’s Congress which became effective in 2008 requires that transactions which are deemed concentrations and involve parties with specified turnover thresholds must be cleared by State Administration for Market Regulation, or the SAMR, the successive authority of MOFCOM, before they can be completed. In addition, Rules of the Ministry of Commerce on Implementation of Security Review System of Mergers and Acquisitions of Domestic Enterprises by Foreign Investors that became effective in September 2011 and Measures for the Security Review of Foreign Investment that became effective in January 2021 require acquisitions by foreign investors of PRC companies engaged in military related or certain other industries that are crucial to national security be subject to security review before consummation of any such acquisition. We may pursue potential strategic acquisitions that are complementary to our business and operations. Complying with the requirements of these regulations to complete such transactions could be time-consuming, and any required approval processes, including obtaining approval or clearance from MOFCOM and the NDRC, may delay or inhibit our ability to complete such transactions, which could affect our ability to expand our business or maintain our market share.

China’s M&A Rules and certain other PRC regulations establish complex procedures for certain acquisitions of PRC companies by foreign investors, which could make it more difficult for us to pursue growth through acquisitions in China.

A number of PRC laws and regulations have established procedures and requirements that could make merger and acquisition activities in China by foreign investors more time consuming and complex, such as the Anti-monopoly Law, the Regulations on Mergers and Acquisitions of Domestic Enterprises by Foreign Investors, or the M&A Rules, the Rules of the Ministry of Commerce on Implementation of Security Review System of Mergers and Acquisitions of Domestic Enterprises by Foreign Investors, or the M&A Security Review Rules, and the Measures for the Security Review of Foreign Investment, or the Foreign Investment Security Review Measures. These laws and regulations impose requirements in some instances that MOFCOM and/or the NDRC be notified in advance of any change-of-control transaction in which a foreign investor takes control of a PRC domestic enterprise. In addition, the Anti-Monopoly Law requires that relevant anti-monopoly enforcement agencies be notified in advance of any concentration of undertaking if certain thresholds are triggered. The M&A Security Review Rules provide that mergers and acquisitions by foreign investors that raise “national defense

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and security” concerns and mergers and acquisitions through which foreign investors may acquire de facto control over domestic enterprises that raise “national security” concerns are subject to strict review by MOFCOM, and prohibit any attempt to bypass a security review, including by structuring the transaction through a proxy or contractual control arrangement. Moreover, the Foreign Investment Security Review Measures provide that foreign investors or the relevant parties in China shall proactively report to the Office of the Working Mechanism any foreign investment in, among other sectors, important information technology and Internet products and services and key technology that involve national security concerns and result in the foreign investor’s acquisition of actual control of the enterprise invested in before making such investment. In the future, we may grow our business by acquiring complementary businesses. Complying with the requirements of the relevant regulations to complete such transactions could be time consuming, and any required approval processes, including approval from MOFCOM, may delay or inhibit our ability to complete such transactions, which could affect our ability to expand our business or maintain our market share.

PRC regulations relating to offshore investment activities by PRC residents may limit our PRC subsidiaries’ ability to change their registered capital or distribute profits to us or otherwise expose us or our PRC resident beneficial owners to liability and penalties under PRC law.

In July 2014, the State Administration of Foreign Exchange, or SAFE, promulgated the Circular on Relevant Issues Concerning Foreign Exchange Control on Domestic Residents’ Offshore Investment and Financing and Roundtrip Investment Through Special Purpose Vehicles, or SAFE Circular 37. SAFE Circular 37 requires PRC residents (including PRC individuals and PRC corporate entities as well as foreign individuals that are deemed as PRC residents for foreign exchange administration purpose) to register with SAFE or its local branches in connection with their direct or indirect offshore investment activities and also requires the foreign-invested enterprise that is established through round-trip investment to truthfully disclose its controller(s). SAFE Circular 37 further requires amendment to the SAFE registrations in the event of any changes with respect to the basic information of the offshore special purpose vehicle, such as change of a PRC individual shareholder, name and operation term, or any significant changes with respect to the offshore special purpose vehicle, such as increase or decrease of capital contribution, share transfer or exchange, or mergers or divisions. SAFE Circular 37 is applicable to our shareholders or beneficial owners who are PRC residents and may be applicable to any offshore acquisitions that we make in the future. In February 2015, SAFE promulgated a Notice on Further Simplifying and Improving Foreign Exchange Administration Policy on Direct Investment, or SAFE Notice 13, effective since June 2015. Under SAFE Notice 13, applications for foreign exchange registration of inbound foreign direct investments and outbound overseas direct investments, including those required under SAFE Circular 37, should be filed with qualified banks instead of SAFE. The qualified banks examine the applications and accept registrations under the supervision of SAFE.

Any failure or inability of the relevant shareholders or beneficial owners who are PRC residents to comply with the registration procedures set forth in these regulations, or any failure to disclose or misrepresentation of the controller(s) of the foreign-invested enterprise that is established through round-trip investment (“Round-trip Invested Entity”), may subject us to fines and legal sanctions, such as restrictions on our cross-border investment activities, on the ability of our PRC subsidiaries to distribute dividends and the proceeds from any reduction in capital, share transfer or liquidation to us. Moreover, failure to comply with the various foreign exchange registration requirements described above could result in liability under PRC law for circumventing applicable foreign exchange restrictions.

We have been notified that each of Mr. Kerry Xuefeng Chen and Mr. Wenjun Sun has completed his initial registration with the local SAFE branch or qualified banks as required by SAFE Circular 37. However, we may not at all times be fully informed of the identities of all the PRC residents holding direct or indirect interest in our company, and we cannot provide any assurance that these PRC

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residents will comply with our request to make or obtain any applicable registrations or continuously comply with all requirements under SAFE Circular 37 or other related rules. As a result, we cannot assure you that all of our shareholders or beneficial owners who are PRC residents or entities have complied with, and will in the future make or obtain any applicable registrations or approvals required by, SAFE regulations. Registration for the change in our round-trip invested entity might not be completed in a timely manner. Failure by our shareholders or beneficial owners to comply with SAFE regulations, or failure by us to amend the foreign exchange registrations of our PRC subsidiaries, could subject us to fines or legal sanctions, restrict our overseas or cross-border investment activities, limit our PRC subsidiaries’ ability to make distributions or pay dividends or affect our ownership structure. As a result, our business operations and our ability to distribute profits to you could be materially and adversely affected.

Any failure to comply with PRC regulations regarding the registration requirements for employee stock incentive plans may subject the PRC plan participants or us to fines and other legal or administrative sanctions.

In February 2012, SAFE promulgated the Notice of Issues Related to the Foreign Exchange Administration for Domestic Individuals Participating in Stock Incentive Plan of Overseas Listed Company, replacing earlier rules promulgated in 2007. Pursuant to these rules, PRC citizens and non-PRC citizens who reside in China for a continuous period of not less than one year who participate in any stock incentive plan of an overseas publicly listed company, subject to a few exceptions, are required to register with SAFE through a domestic qualified agent, which could be the PRC subsidiaries of such overseas-listed company, and complete certain other procedures. In addition, an overseas-entrusted institution must be retained to handle matters in connection with the exercise or sale of stock options and the purchase or sale of shares and interests. We and our executive officers and other employees who are PRC citizens or who reside in China for a continuous period of not less than one year and who have been granted options will be subject to these regulations when our company becomes an overseas-listed company upon the completion of this offering. Failure to complete SAFE registrations may subject them to fines of up to RMB300,000 for entities and up to RMB50,000 for individuals, and legal sanctions and may also limit our ability to contribute additional capital into our PRC subsidiary and limit our PRC subsidiary’s ability to distribute dividends to us. We also face regulatory uncertainties that could restrict our ability to adopt additional incentive plans for our directors, executive officers and employees under PRC law. See “Regulation—PRC—Regulations Related to Employee Stock Incentive Plan.”

In addition, the State Administration of Taxation, or SAT, has issued certain circulars concerning employee share options and restricted shares. Under these circulars, our employees working in China who exercise share options or are granted restricted shares will be subject to PRC individual income tax. Our PRC subsidiaries have obligations to file documents related to employee share options or restricted shares with relevant tax authorities and to withhold individual income taxes of those employees who exercise their share options. If our employees fail to pay or we fail to withhold their income taxes according to relevant laws and regulations, we may face sanctions imposed by the tax authorities or other PRC government authorities. See “Regulation—Regulations Relating to Foreign Exchange and Dividend Distribution—Regulations Relating to Stock Incentive Plans.”

Increases in labor costs and enforcement of stricter labor laws and regulations in China may adversely affect our business and our profitability.

China’s overall economy and the average wage in China have increased in recent years and are expected to continue to grow. The average wage level for our employees has also increased in recent years. We expect that our labor costs, including wages and employee benefits, will continue to increase. Unless we are able to pass on these increased labor costs to those who pay for our services, our profitability and results of operations may be materially and adversely affected.

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In addition, we have been subject to stricter regulatory requirements in terms of entering into labor contracts with our employees and paying various statutory employee benefits, including pensions, housing fund, medical insurance, work-related injury insurance, unemployment insurance and maternity insurance to designated government agencies for the benefit of our employees. Pursuant to the PRC Labor Contract Law and its implementation rules, employers are subject to stricter requirements in terms of signing labor contracts, minimum wages, paying remuneration, determining the term of employee’s probation and unilaterally terminating labor contracts. In the event that we decide to terminate some of our employees or otherwise change our employment or labor practices, the PRC Labor Contract Law and its implementation rules may limit our ability to effect those changes in a desirable or cost-effective manner, which could adversely affect our business and results of operations.

In October 2010, the Standing Committee of the National People’s Congress promulgated the PRC Social Insurance Law, effective on July 1, 2011 and amended on December 29, 2018. On April 3, 1999, the State Council promulgated the Regulations on the Administration of Housing Funds, which was amended on March 24, 2002 and March 24, 2019. Companies registered and operating in China are required under the Social Insurance Law and the Regulations on the Administration of Housing Funds to apply for social insurance registration and housing fund deposit registration within 30 days of their establishment and to pay for their employees different social insurance including pension insurance, medical insurance, work-related injury insurance, unemployment insurance and maternity insurance to the extent required by law. Certain of our subsidiaries in China did not make such registrations as those subsidiaries did not hire any employees. As a result, we may be subject to orders by the competent labor authorities for rectification and failure to comply with the orders may further subject us to administrative fines.

As the interpretation and implementation of labor-related laws and regulations are still evolving, we cannot assure you that our employment practices do not and will not violate labor-related laws and regulations in China, which may subject us to labor disputes or government investigations. We cannot assure you that we have complied or will be able to comply with all labor-related law and regulations including those relating to obligations to make social insurance payments and contribute to the housing provident funds. If we are deemed to have violated relevant labor laws and regulations, we could be required to provide additional compensation to our employees and our business, financial condition and results of operations will be adversely affected.

We may rely on dividends and other distributions on equity paid by our PRC subsidiaries to fund any cash and financing requirements we may have, and any limitation on the ability of our PRC subsidiaries to make payments to us could have a material and adverse effect on our ability to conduct our business.

We are a Cayman Islands holding company and we may rely on dividends and other distributions on equity paid by our PRC subsidiaries for our cash and financing requirements, including the funds necessary to pay dividends and other cash distributions to our shareholders and service any debt we may incur. If any of our PRC subsidiaries incur debt on their own behalf in the future, the instruments governing the debt may restrict their ability to pay dividends or make other distributions to us. Under PRC laws and regulations, our PRC subsidiaries, each of which is a wholly foreign-owned enterprise may pay dividends only out of its respective accumulated profits as determined in accordance with PRC accounting standards and regulations. In addition, a wholly foreign-owned enterprise is required to set aside at least 10% of its after-tax profits each year, if any, to fund a certain statutory reserve fund, until the aggregate amount of such fund reaches 50% of its registered capital. At its discretion, a wholly foreign-owned enterprise may allocate a portion of its after-tax profits based on PRC accounting standards to a staff welfare and bonus fund. These reserve fund and staff welfare and bonus fund cannot be distributed to us as dividends.

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Our PRC subsidiaries generate primarily all of their revenue in Renminbi, which is not freely convertible into other currencies. As result, any restriction on currency exchange may limit the ability of our PRC subsidiaries to use their Renminbi revenues to pay dividends to us.

The PRC government may continue to strengthen its capital controls, and more restrictions and substantial vetting process may be put forward by SAFE for cross-border transactions falling under both the current account and the capital account. Any limitation on the ability of our PRC subsidiaries to pay dividends or make other kinds of payments to us could materially and adversely limit our ability to grow, make investments or acquisitions that could be beneficial to our business, pay dividends, or otherwise fund and conduct our business.

In addition, the Enterprise Income Tax Law and its implementation rules provide that a withholding tax rate of up to 10% will be applicable to dividends payable by PRC companies to non-PRC-resident enterprises unless otherwise exempted or reduced according to treaties or arrangements between the PRC central government and governments of other countries or regions where the non-PRC-resident enterprises are incorporated.

Governmental control of currency conversion may affect the value of your investment.

The PRC government imposes controls on the convertibility of the Renminbi into foreign currencies and, in certain cases, the remittance of currency out of China. We receive substantially all of our revenues in Renminbi. Under our current corporate structure, our Cayman Islands holding company primarily relies on dividend payments from our PRC subsidiaries to fund any cash and financing requirements we may have. Under existing PRC foreign exchange regulations, payments of current account items, including profit distributions, interest payments and trade and service-related foreign exchange transactions, can be made in foreign currencies without prior approval of SAFE by complying with certain procedural requirements. Specifically, under the existing exchange restrictions, without prior approval of SAFE, cash generated from the operations of our PRC subsidiaries in China may be used to pay dividends to our company. However, approval from or registration with appropriate government authorities is required where Renminbi is to be converted into foreign currency and remitted out of China to pay capital expenses such as the repayment of loans denominated in foreign currencies. As a result, we need to obtain SAFE approval to use cash generated from the operations of our PRC subsidiaries and VIEs to pay off their respective debt in a currency other than Renminbi owed to entities outside China, or to make other capital expenditure payments outside China in a currency other than Renminbi. The PRC government may at its discretion restrict access to foreign currencies for current account transactions in the future. If the foreign exchange control system prevents us from obtaining sufficient foreign currencies to satisfy our foreign currency demands, we may not be able to pay dividends in foreign currencies to our shareholders, including holders of our ADSs.

PRC regulation of loans to and direct investment in PRC entities by offshore holding companies and governmental control of currency conversion may delay or prevent us from using the proceeds of this offering to make loans or additional capital contributions to our PRC subsidiaries and our VIEs in China, which could materially and adversely affect our liquidity and our ability to fund and expand our business.

We are an offshore holding company conducting our operations in China through our PRC subsidiaries and our VIEs. We may make loans to our PRC subsidiaries and VIEs subject to the approval from governmental authorities and limitation of amount, or we may make additional capital contributions to our PRC subsidiaries.

Any loans to our PRC subsidiaries, which are treated as foreign-invested enterprises under PRC law, are subject to PRC regulations and foreign exchange loan registrations. For example, loans by us

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to our PRC subsidiaries to finance their activities cannot exceed statutory limits and must be registered with the local counterpart of SAFE, and medium or long-term loans by us to our PRC subsidiaries must be recorded and registered with the National Development and Reform Committee, or the NDRC. In addition, a foreign invested enterprise shall use its capital pursuant to the principle of authenticity and self-use within its business scope. The capital of a foreign invested enterprise shall not be used for the following purposes: (i) directly or indirectly used for payment beyond the business scope of the enterprises or the payment prohibited by relevant laws and regulations; (ii) directly or indirectly used for investment in securities or investments other than banks’ principal-secured products unless otherwise provided by relevant laws and regulations; (iii) the granting of loans to non-affiliated enterprises, except where it is expressly permitted in the business license; and (iv) paying the expenses related to the purchase of real estate that is not for self-use (except for the foreign-invested real estate enterprises).

SAFE promulgated the Notice of the State Administration of Foreign Exchange on Reforming the Administration of Foreign Exchange Settlement of Capital of Foreign-invested Enterprises, or SAFE Circular 19, effective June 2015, in replacement of the Circular on the Relevant Operating Issues Concerning the Improvement of the Administration of the Payment and Settlement of Foreign Currency Capital of Foreign-Invested Enterprises, the Notice from the State Administration of Foreign Exchange on Relevant Issues Concerning Strengthening the Administration of Foreign Exchange Businesses, and the Circular on Further Clarification and Regulation of the Issues Concerning the Administration of Certain Capital Account Foreign Exchange Businesses. According to SAFE Circular 19, the flow and use of the RMB capital converted from foreign currency-denominated registered capital of a foreign-invested company is regulated such that RMB capital may not be used for the issuance of RMB entrusted loans, the repayment of inter-enterprise loans or the repayment of banks loans that have been transferred to a third party. Although SAFE Circular 19 allows RMB capital converted from foreign currency-denominated registered capital of a foreign-invested enterprise to be used for equity investments within China, it also reiterates the principle that RMB converted from the foreign currency-denominated capital of a foreign-invested company may not be directly or indirectly used for purposes beyond its business scope. Thus, it is unclear whether SAFE will permit such capital to be used for equity investments in China in actual practice. SAFE promulgated the Notice of the State Administration of Foreign Exchange on Reforming and Standardizing the Foreign Exchange Settlement Management Policy of Capital Account, or SAFE Circular 16, effective on June 9, 2016, which reiterates some of the rules set forth in SAFE Circular 19, but changes the prohibition against using RMB capital converted from foreign currency-denominated registered capital of a foreign-invested company to issue RMB entrusted loans to a prohibition against using such capital to issue loans to non-associated enterprises. Violations of SAFE Circular 19 and SAFE Circular 16 could result in administrative penalties. SAFE Circular 19 and SAFE Circular 16 may significantly limit our ability to transfer any foreign currency we hold, including the net proceeds from this offering, to our PRC subsidiaries, which may adversely affect our liquidity and our ability to fund and expand our business in China.

In light of the various requirements imposed by PRC regulations on loans to and direct investment in PRC entities by offshore holding companies, we cannot assure you that we will be able to complete the necessary government registrations or obtain the necessary government approvals on a timely basis, if at all, with respect to future loans to our PRC subsidiaries or VIEs or future capital contributions by us to our PRC subsidiaries. As a result, uncertainties exist as to our ability to provide prompt financial support to our PRC subsidiaries or VIEs when needed. If we fail to complete such registrations or obtain such approvals, our ability to use the proceeds we expect to receive from this offering and to capitalize or otherwise fund our PRC operations may be negatively affected, which could materially and adversely affect our liquidity and our ability to fund and expand our business.

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If we are classified as a PRC resident enterprise for PRC income tax purposes, such classification could result in unfavorable tax consequences to us and our non-PRC shareholders or ADS holders.

Under the PRC Enterprise Income Tax Law and its implementation rules, an enterprise established outside of the PRC with “de facto management body” within China is considered a “resident enterprise” and will be subject to the enterprise income tax on its global income at the rate of 25%. The implementation rules define the term “de facto management body” as the body that exercises full and substantial control and overall management over the business, productions, personnel, accounts and properties of an enterprise. In 2009, the SAT, issued the Circular of the State Administration of Taxation on Issues Relating to Identification of PRC-Controlled Overseas Registered Enterprises as Resident Enterprises in Accordance With the De Facto Standards of Organizational Management, or SAT Circular 82, which provides certain specific criteria for determining whether the “de facto management body” of a PRC-controlled enterprise that is incorporated offshore is located in China. Although this circular only applies to offshore enterprises controlled by PRC enterprises or PRC enterprise groups, not those controlled by PRC individuals or foreigners, the criteria set forth in the circular may reflect SAT’s general position on how the “de facto management body” text should be applied in determining the tax resident status of all offshore enterprises. According to SAT Circular 82, an offshore incorporated enterprise controlled by a PRC enterprise or a PRC enterprise group will be regarded as a PRC tax resident by virtue of having its “de facto management body” in China and will be subject to PRC enterprise income tax on its global income only if all of the following conditions are met: (i) the primary location of the day-to-day operational management is in China; (ii) decisions relating to the enterprise’s financial and human resource matters are made or are subject to approval by organizations or personnel in China; (iii) the enterprise’s primary assets, accounting books and records, company seals, and board and shareholder resolutions, are located or maintained in China; and (iv) at least 50% of voting board members or senior executives habitually reside in China.

We believe that we are not a PRC resident enterprise for PRC tax purposes. However, the tax resident status of an enterprise is subject to determination by the PRC tax authorities and uncertainties remain with respect to the interpretation of the term “de facto management body.” If the PRC tax authorities determine that we are a PRC resident enterprise for enterprise income tax purposes, we could be subject to PRC tax at a rate of 25% on our worldwide income, which could materially reduce our net income, and we may be required to withhold a 10% withholding tax from dividends we pay to our shareholders that are non-resident enterprises, including the holders of our ADSs. In addition, non-resident enterprise shareholders (including our ADS holders) may be subject to PRC tax on gains realized on the sale or other disposition of ADSs or ordinary shares, if such income is treated as sourced from within China. Furthermore, if we are deemed a PRC resident enterprise, dividends payable to our non-PRC individual shareholders (including our ADS holders) and any gain realized on the transfer of ADSs or ordinary shares by such shareholders may be subject to PRC tax at a rate of 10% in the case of non-PRC enterprises or a rate of 20% in the case of non-PRC individuals unless a reduced rate is available under an applicable tax treaty. It is unclear whether non-PRC shareholders of our company would be able to claim the benefits of any tax treaties between their country of tax residence and the PRC in the event that we are treated as a PRC resident enterprise. Any such tax may reduce the returns on your investment in the ADSs or Ordinary Shares.

We face uncertainty with respect to indirect transfers of equity interests in PRC resident enterprises by their non-PRC holding companies.

In February 2015, the SAT issued the Public Notice Regarding Certain Enterprise Income Tax Matters on Indirect Transfer of Properties by Non-Resident Enterprises, or SAT Public Notice 7. SAT Public Notice 7 extends its tax jurisdiction to not only indirect transfers but also transactions involving transfer of other taxable assets, through the offshore transfer of a foreign intermediate holding

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company. In addition, SAT Public Notice 7 provides certain criteria on how to assess reasonable commercial purposes and has introduced safe harbors for internal group restructurings and the purchase and sale of equity through a public securities market. SAT Public Notice 7 also brings challenges to both the foreign transferor and transferee (or other person who is obligated to pay for the transfer) of the taxable assets. Where a non-resident enterprise conducts an “indirect transfer” by transferring the taxable assets indirectly by disposing of the equity interests of an overseas holding company, the non-resident enterprise being the transferor, or the transferee, or the PRC entity which directly owns the taxable assets may report to the relevant tax authority such indirect transfer. Using a “substance over form” principle, the PRC tax authority may disregard the existence of the overseas holding company if it lacks a reasonable commercial purpose and was established for the purpose of reducing, avoiding or deferring PRC tax. As a result, gains derived from such indirect transfer may be subject to PRC enterprise income tax, and the transferee or other person who is obligated to pay for the transfer is obligated to withhold the applicable taxes, currently at a tax rate of 10% for the transfer of equity interests in a PRC resident enterprise. Both the transferor and the transferee may be subject to penalties under PRC tax laws if the transferee fails to withhold the taxes and the transferor fails to pay the taxes. However, according to relevant safe harbor rule under SAT Public Notice 7, the PRC tax would not be applicable to the transfer by any non-resident enterprise of ADSs of the Company acquired and sold on public securities markets.

On October 17, 2017, the SAT issued the Public Notice on Issues Relating to Withholding at Source of Income Tax of Non-resident Enterprises, or the SAT Public Notice 37, which came into effect on December 1, 2017. According to SAT Public Notice 37, where the non-resident enterprise fails to declare its tax payable pursuant to Article 39 of the EIT Law, the tax authority may order it to pay its tax due within required time limits, and the non-resident enterprise shall declare and pay its tax payable within such time limits specified by the tax authority. If the non-resident enterprise voluntarily declares and pays its tax payable before the tax authority orders it to do so, it shall be deemed that such enterprise has paid its tax payable in time.

We face uncertainties on the reporting and consequences of future private equity financing transactions, share exchanges or other transactions involving the transfer of shares in our company by investors that are non-PRC resident enterprises. The PRC tax authorities may pursue such non-resident enterprises with respect to a filing or the transferees with respect to withholding obligation and request our PRC subsidiaries to assist in the filing. As a result, we and non-resident enterprises in such transactions may become at risk of being subject to filing obligations or being taxed under SAT Public Notice 7 and SAT Public Notice 37, and may be required to expend valuable resources to comply with them or to establish that we and our non-resident enterprises should not be taxed under these regulations, which may have a material adverse effect on our financial condition and results of operations.

The approval of the China Securities Regulatory Commission may be required in connection with this offering, and, if required, we cannot predict whether we will be able to obtain such approval.

The M&A Rules, adopted by six PRC regulatory agencies, requires an overseas special purpose vehicles that are controlled by PRC companies or individuals formed for the purpose of seeking a public listing on an overseas stock exchange through acquisitions of PRC domestic companies of the aforementioned PRC companies or individuals using shares of such special purpose vehicles or held by its shareholders as a consideration to obtain the approval of the China Securities Regulatory Commission, or the CSRC, prior to the listing and trading of such special purpose vehicle’s securities on an overseas stock exchange. However, the application of the M&A Rules remains unclear. If CSRC approval is required, it is uncertain whether it would be possible for us to obtain the approval, and any failure to obtain or delay in obtaining CSRC approval for this offering would subject us to sanctions imposed by the CSRC and other PRC regulatory agencies.

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Our PRC counsel has advised us based on their understanding of the current PRC laws, rules and regulations that the CSRC’s approval may not be required for the listing and trading of our ADSs on the New York Stock Exchange in the context of this offering, given that: (i) the CSRC currently has not issued any definitive rule or interpretation concerning whether offerings like ours in this prospectus are subject to this regulation, and (ii) we did not establish our PRC subsidiaries through merger with or acquisition of PRC domestic companies using equities as consideration as defined in the M&A Rules; and (iii) no provision in the M&A Rules classifies the contractual arrangements with variable interest entities as a type of acquisition that fall within the M&A Rules.

However, our PRC counsel has further advised us that there remains some uncertainty as to how the M&A Rules will be interpreted or implemented in the context of an overseas offering and its opinions summarized above are subject to any new laws, rules and regulations or detailed implementations and interpretations in any form relating to the M&A Rules. We cannot assure you that relevant PRC government agencies, including the CSRC, would reach the same conclusion as we do. If it is determined that CSRC approval is required for this offering, we may face sanctions by the CSRC or other PRC regulatory agencies for failure to seek CSRC approval for this offering. These sanctions may include fines and penalties on our operations in China, limitations on our operating privileges in China, delays in or restrictions on the repatriation of the proceeds from this offering into the PRC, restrictions on or prohibition of the payments or remittance of dividends by our subsidiaries in China, or other actions that could have a material and adverse effect on our business, financial condition, results of operations, reputation and prospects, as well as the trading price of our ADSs. The CSRC or other PRC regulatory agencies may also take actions requiring us, or making it advisable for us, to halt this offering before the settlement and delivery of the ADSs that we are offering. Consequently, if you engage in market trading or other activities in anticipation of and prior to the settlement and delivery of the ADSs we are offering, you would be doing so at the risk that the settlement and delivery may not occur. In addition, if the CSRC or other regulatory agencies later promulgate new rules or explanations requiring that we obtain their approvals for this offering, we may be unable to obtain a waiver of such approval requirements, if and when procedures are established to obtain such a waiver.

Our ADSs may be delisted under the Holding Foreign Companies Accountable Act if the PCAOB is unable to inspect auditors who are located in China. The delisting of our ADSs, or the threat of their being delisted, may materially and adversely affect the value of your investment. Additionally, the inability of the PCAOB to conduct inspections deprives our investors with the benefits of such inspections.

The Holding Foreign Companies Accountable Act, or the HFCA Act, was enacted on December 18, 2020. The HFCA Act states if the SEC determines that we have filed audit reports issued by a registered public accounting firm that has not been subject to inspection by the PCAOB for three consecutive years beginning in 2021, the SEC shall prohibit our shares or ADSs from being traded on a national securities exchange or in the over the counter trading market in the U.S.

Our auditor, the independent registered public accounting firm that issues the audit report included elsewhere in this prospectus, as an auditor of companies that are traded publicly in the United States and a firm registered with the PCAOB, is subject to laws in the United States pursuant to which the PCAOB conducts regular inspections to assess its compliance with the applicable professional standards. Since our auditor is located in China, a jurisdiction where the PCAOB has been unable to conduct inspections without the approval of the Chinese authorities, our auditor is currently not inspected by the PCAOB.

On March 24, 2021, the SEC adopted interim final rules relating to the implementation of certain disclosure and documentation requirements of the HFCA Act. We will be required to comply with these rules if the SEC identifies us as having a “non-inspection” year under a process to be subsequently

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established by the SEC. The SEC is assessing how to implement other requirements of the HFCA Act, including the listing and trading prohibition requirements described above.

The SEC may propose additional rules or guidance that could impact us if our auditor is not subject to PCAOB inspection. For example, on August 6, 2020, the President’s Working Group on Financial Markets, or the PWG, issued the Report on Protecting United States Investors from Significant Risks from Chinese Companies to the then President of the United States. This report recommended the SEC implement five recommendations to address companies from jurisdictions that do not provide the PCAOB with sufficient access to fulfil its statutory mandate. Some of the concepts of these recommendations were implemented with the enactment of the HFCA Act. However, some of the recommendations were more stringent than the HFCA Act. For example, if a company was not subject to PCAOB inspection, the report recommended that the transition period before a company would be delisted would end on January 1, 2022.

The SEC has announced that the SEC staff is preparing a consolidated proposal for the rules regarding the implementation of the HFCA Act and to address the recommendations in the PWG report. It is unclear when the SEC will complete its rulemaking and when such rules will become effective and what, if any, of the PWG recommendations will be adopted. The implications of this possible regulation in addition the requirements of the HFCA Act are uncertain. Such uncertainty could cause the market price of our ADSs to be materially and adversely affected, and our securities could be delisted or prohibited from being traded “over-the-counter” earlier than would be required by the HFCA Act. If our securities are unable to be listed on another securities exchange by then, such a delisting would substantially impair your ability to sell or purchase our ADSs when you wish to do so, and the risk and uncertainty associated with a potential delisting would have a negative impact on the price of our ADSs.

The PCAOB’s inability to conduct inspections in China prevents it from fully evaluating the audits and quality control procedures of our independent registered public accounting firm. As a result, we and investors in our ordinary shares are deprived of the benefits of such PCAOB inspections. The inability of the PCAOB to conduct inspections of auditors in China makes it more difficult to evaluate the effectiveness of our independent registered public accounting firm’s audit procedures or quality control procedures as compared to auditors outside of China that are subject to the PCAOB inspections, which could cause investors and potential investors in our stock to lose confidence in our audit procedures and reported financial information and the quality of our financial statements.

In May 2013, the PCAOB announced that it had entered into a Memorandum of Understanding on Enforcement Cooperation with the CSRC and the PRC Ministry of Finance, which establishes a cooperative framework between the parties for the production and exchange of audit documents relevant to investigations undertaken by the PCAOB in the PRC or by the CSRC or the PRC Ministry of Finance in the United States. The PCAOB continues to be in discussions with the CSRC and the PRC Ministry of Finance to permit joint inspections in the PRC of audit firms that are registered with the PCAOB and audit Chinese companies that trade on U.S. exchanges.

Proceedings instituted by the SEC against PRC affiliates of the “big four” accounting firms, including our independent registered public accounting firm, could result in financial statements being determined to not be in compliance with the requirements of the Exchange Act.

Starting in 2011 “big four” PRC-based accounting firms, including our independent registered public accounting firm, were affected by a conflict between U.S. and Chinese law. Specifically, for certain U.S.-listed companies operating and audited in Mainland China, the SEC and the PCAOB sought to obtain from the Chinese firms access to their audit work papers and related documents. The

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firms were, however, advised and directed that under Chinese law, they could not respond directly to the U.S. regulators on those requests, and that requests by foreign regulators for access to such papers in China had to be channeled through the China Securities Regulatory Commission, or the CSRC.

In late 2012, this impasse led the SEC to commence administrative proceedings under Rule 102(e) of its Rules of Practice and also under the Sarbanes-Oxley Act of 2002 against the Chinese accounting firms, including our independent registered public accounting firm. A first instance trial of the proceedings in July 2013 in the SEC’s internal administrative court resulted in an adverse judgment against the firms. The administrative law judge proposed penalties on the firms including a temporary suspension of their right to practice before the SEC, although that proposed penalty did not take effect pending review by the Commissioners of the SEC. On February 6, 2015, before a review by the Commissioner had taken place, the firms reached a settlement with the SEC. Under the settlement, the SEC accepted that future requests by the SEC for the production of documents will normally be made to the CSRC. The firms were to receive matching Section 106 requests, and were required to abide by a detailed set of procedures with respect to such requests, which in substance require them to facilitate production via the CSRC. If they failed to meet specified criteria, the SEC retained authority to impose a variety of additional remedial measures on the firms depending on the nature of the failure. Under the terms of the settlement, the underlying proceeding against the four China-based accounting firms was deemed dismissed with prejudice four years after entry of the settlement. The four-year mark occurred on February 6, 2019. While we cannot predict if the SEC will further challenge the four China-based accounting firms’ compliance with U.S. law in connection with U.S. regulatory requests for audit work papers or if the results of such a challenge would result in the SEC imposing penalties such as suspensions. If additional remedial measures are imposed on the “big four” PRC-based accounting firms, including our independent registered public accounting firm, we could be unable to timely file future financial statements in compliance with the requirements of the Exchange Act.

In the event the “big four” PRC-based accounting firms become subject to additional legal challenges by the SEC or the PCAOB, depending upon the final outcome, listed companies in the United States with major PRC operations may find it difficult or impossible to retain auditors in respect of their operations in China, which could result in financial statements being determined to not be in compliance with the requirements of the Exchange Act, including possible delisting. Moreover, any negative news about any such future proceedings against these audit firms may cause investor uncertainty regarding China-based, U.S.-listed companies and the market price of our ADSs may be adversely affected.

If our independent registered public accounting firm was denied, even temporarily, the ability to practice before the SEC and we were unable to timely find another registered public accounting firm to audit and issue an opinion on our financial statements, our financial statements could be determined not to be in compliance with the requirements of the Exchange Act. Such a determination could ultimately lead to the delisting of the ADSs from the U.S. national securities exchanges or deregistration from the SEC, or both, which would substantially reduce or effectively terminate the trading of the ADSs in the United States.

Risks Related to the ADSs and This Offering

There has been no public market for our shares or ADSs prior to this offering, and you may not be able to resell our ADSs at or above the price you paid, or at all.

Prior to this initial public offering, there has been no public market for our shares or ADSs. We will apply to list our ADSs on the New York Stock Exchange. Our shares will not be listed on any exchange or quoted for trading on any over-the-counter trading system. If an active trading market for our ADSs

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does not develop after this offering, the market price and liquidity of our ADSs will be materially and adversely affected.

Negotiations with the underwriters will determine the initial public offering price for our ADSs which may bear no relationship to their market price after the initial public offering. We cannot assure you that an active trading market for our ADSs will develop or that the market price of our ADSs will not decline below the initial public offering price.

The trading price of our ADSs may be volatile, which could result in substantial losses to you.

The trading price of our ADSs can be volatile and fluctuate widely in response to a variety of factors, many of which are beyond our control. In addition, the performance and fluctuation of the market prices of other companies with business operations located mainly in the PRC that have listed their securities in the United States may affect the volatility in the price of and trading volumes for our ADSs. Some of these companies have experienced significant volatility. The trading performances of these PRC companies’ securities may affect the overall investor sentiment towards other PRC companies listed in the United States and consequently may impact the trading performance of our ADSs, regardless of our actual operating performance.

In addition to the above factors, the price and trading volume of our ADSs may be highly volatile due to multiple factors, including the following:

The concentration of our share ownership among executive officers, directors, and principal shareholders and their affiliated entities will likely limit your ability to influence corporate matters and could discourage others from pursuing any change of control transaction that holders of our ordinary shares and ADSs may view as beneficial.

Our executive officers, directors, and their affiliated entities together beneficially own approximately 18.8% of our issued and outstanding ordinary shares on an as-converted basis prior to

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this offering. Upon the completion of this offering, our executive officers, directors, and their affiliated entities together will beneficially own approximately        % of our total issued and outstanding ordinary shares, assuming the underwriters do not exercise their over-allotment option, or        % of our total issued and outstanding ordinary shares if the underwriters exercise their over-allotment option in full, without taking into account the ADSs that the existing shareholders or their affiliates may purchase in this offering. As a result of the concentration of ownership, these shareholders will have considerable influence over matters such as decisions regarding mergers and consolidations, amendments to our constitutional documents, election of directors and other significant corporate actions. Such shareholders may take actions that are not in the best interest of us or our other shareholders. This concentration of ownership may discourage, delay or prevent a change in control of our company, which could have the effect of depriving our other shareholders of the opportunity to receive a premium for their shares as part of a sale of our company and may reduce the price of our ADSs. This concentrated control will limit your ability to influence corporate matters and could discourage others from pursuing any potential merger, takeover or other change of control transactions that holders of our ordinary shares and ADSs may view as beneficial.

If securities or industry analysts do not publish research or publish inaccurate or unfavorable research about our business, or if they adversely change their recommendations regarding our ADSs, the market price for our ADSs and trading volume could decline.

The trading market for our ADSs will depend in part on the research and reports that securities or industry analysts publish about us or our business. If research analysts do not establish and maintain adequate research coverage or if one or more of the analysts who covers us downgrades our ADSs or publishes inaccurate or unfavorable research about our business, the market price for our ADSs would likely decline. If one or more of these analysts cease coverage of our company or fail to publish reports on us regularly, we could lose visibility in the financial markets, which, in turn, could cause the market price or trading volume for our ADSs to decline.

Because our initial public offering price is substantially higher than our net tangible book value per share, you will experience immediate and substantial dilution.

If you purchase ADSs in this offering, you will pay more for your ADSs than the amount paid by our existing shareholders for their ordinary shares on a per ADS basis. As a result, you will experience immediate and substantial dilution of US$         per ADS, representing the difference between the initial public offering price of US$         per ADS and our adjusted net tangible book value per ADS as of December 31, 2020, after giving effect to our sale of the ADSs offered in this offering. In addition, you may experience further dilution to the extent that our ordinary shares are issued upon the exercise of share options. See “Dilution” for a more complete description of how the value of your investment in the ADSs will be diluted upon completion of this offering.

Techniques employed by short sellers may drive down the market price of the ADSs.

Short selling is the practice of selling securities that the seller does not own but rather has borrowed from a third party with the intention of buying identical securities back at a later date to return to the lender. The short seller hopes to profit from a decline in the value of the securities between the sale of the borrowed securities and the purchase of the replacement shares, as the short seller expects to pay less in that purchase than it received in the sale. As it is in the short seller’s interest for the price of the security to decline, many short sellers publish, or arrange for the publication of, negative opinions regarding the relevant issuer and its business prospects in order to create negative market momentum and generate profits for themselves after selling a security short. These short attacks have, in the past, led to selling of shares in the market.

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Public companies that have substantially all of their operations in China have been the subject of short selling. Much of the scrutiny and negative publicity has centered on allegations of a lack of effective internal control over financial reporting resulting in financial and accounting irregularities and mistakes, inadequate corporate governance policies or a lack of adherence thereto and, in many cases, allegations of fraud. As a result, many of these companies are now conducting internal and external investigations into the allegations and, in the interim, are subject to shareholder lawsuits and/or SEC enforcement actions.

It is not clear what effect such negative publicity could have on us. If we were to become the subject of any unfavorable allegations, whether such allegations are proven to be true or untrue, we could have to expend a significant amount of resources to investigate such allegations and/or defend ourselves. While we would strongly defend against any such short seller attacks, we may be constrained in the manner in which we can proceed against the relevant short seller by principles of freedom of speech, applicable state law or issues of commercial confidentiality. Such a situation could be costly and time-consuming, and could distract our management from growing our business. Even if such allegations are ultimately proven to be groundless, allegations against us could severely impact our business operations, and any investment in the ADSs could be greatly reduced or even rendered worthless.

Because we do not expect to pay dividends in the foreseeable future after this offering, you must rely on price appreciation of our ADSs for return on your investment.

We currently intend to retain most, if not all, of our available funds and any future earnings after this offering to fund the development and growth of our business. As a result, we do not expect to pay any cash dividends in the foreseeable future. Therefore, you should not rely on an investment in our ADSs as a source for any future dividend income.

Our board of directors has complete discretion as to whether to distribute dividends, subject to certain requirements of Cayman Islands law. In addition, our shareholders may by ordinary resolution declare a dividend, but no dividend may exceed the amount recommended by our directors. Under Cayman Islands law, a Cayman Islands company may pay a dividend out of either profit or share premium account of the company, provided that in no circumstances may a dividend be paid out of share premium if this would result in the company being unable to pay its debts as they fall due in the ordinary course of business. Even if our board of directors decides to declare and pay dividends, the timing, amount and form of future dividends, if any, will depend on our future results of operations and cash flow, our capital requirements and surplus, the amount of distributions, if any, received by us from our subsidiaries, our financial condition, contractual restrictions and other factors deemed relevant by our board of directors. Accordingly, the return on your investment in our ADSs will likely depend entirely upon any future price appreciation of our ADSs. There is no guarantee that our ADSs will appreciate in value after this offering or even maintain the price at which you purchased the ADSs. You may not realize a return on your investment in our ADSs and you may even lose your entire investment in our ADSs.

Substantial future sales or perceived potential sales of our ADSs in the public market could cause the price of our ADSs to decline.

Sales of our ADSs in the public market after this offering, or the perception that these sales could occur, could cause the market price of our ADSs to decline. Upon completion of this offering, we will have              ordinary shares issued and outstanding, including              ordinary shares represented by ADSs, assuming the underwriters do not exercise their over-allotment option. All ADSs sold in this offering will be freely transferable without restriction or additional registration under the United States Securities Act of 1933, as amended, or the Securities Act. The remaining ordinary shares issued and

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outstanding after this offering will be available for sale, upon the expiration of the 180-day lock-up period beginning from the date of this prospectus, subject to volume and other restrictions as applicable under Rules 144 and 701 under the Securities Act. Any or all of these shares may be released prior to the expiration of the lock-up period at the discretion of the representatives of the underwriters of this offering. To the extent shares are released before the expiration of the lock-up period and sold into the market, the market price of our ADSs could decline.

After completion of this offering, certain holders of our ordinary shares may cause us to register under the Securities Act the sale of their shares, subject to the 180-day lock-up period in connection with this offering. Registration of these shares under the Securities Act would result in ADSs representing these shares becoming freely tradable without restriction under the Securities Act immediately upon the effectiveness of the registration. Sales of these registered shares in the form of ADSs in the public market could cause the price of our ADSs to decline.

[The voting rights of holders of ADSs are limited by the terms of the deposit agreement, and you may not be able to exercise the same rights as our shareholders.

Holders of ADSs do not have the same rights as our shareholders. As a holder of our ADSs, you will not have any direct right to attend general meetings of our shareholders or to cast any votes at such meetings. As an ADS holder, you will only be able to exercise the voting rights carried by the underlying ordinary shares which are represented by your ADSs indirectly by giving voting instructions to the depositary in accordance with the provisions of the deposit agreement. Under the deposit agreement, you may vote only by giving voting instructions to the depositary. Upon receipt of your voting instructions, the depositary will try, as far as is practicable, to vote the ordinary shares underlying your ADSs in accordance with your instructions. If we ask for your instructions, then upon receipt of your voting instructions, the depositary will try to vote the underlying ordinary shares in accordance with these instructions. If we do not instruct the depositary to ask for your instructions, the depositary may still vote in accordance with instructions you give, but it is not required to do so. You will not be able to directly exercise your right to vote with respect to the underlying ordinary shares unless you withdraw the shares, and become the registered holder of such shares prior to the record date for the general meeting. When a general meeting is convened, you may not receive sufficient advance notice of the meeting to withdraw the shares underlying your ADSs and become the registered holder of such shares to allow you to attend the general meeting and to vote directly with respect to any specific matter or resolution to be considered and voted upon at the general meeting. In addition, under our post-offering memorandum and articles of association that will become effective immediately prior to completion of this offering, for the purposes of determining those shareholders who are entitled to attend and vote at any general meeting, our directors may close our register of members and/or fix in advance a record date for such meeting, and such closure of our register of members or the setting of such a record date may prevent you from withdrawing the ordinary shares underlying your ADSs and becoming the registered holder of such shares prior to the record date, so that you would not be able to attend the general meeting or to vote directly. If we ask for your instructions, the depositary will notify you of the upcoming vote and will arrange to deliver our voting materials to you. We [have agreed] to give the depositary notice of shareholder meetings sufficiently in advance of such meetings. Nevertheless, we cannot assure you that you will receive the voting materials in time to ensure that you can instruct the depositary to vote the underlying ordinary shares represented by your ADSs. In addition, the depositary and its agents are not responsible for failing to carry out voting instructions or for their manner of carrying out your voting instructions. This means that you may not be able to exercise your right to direct how the shares underlying your ADSs are voted and you may have no legal remedy if the shares underlying your ADSs are not voted as you requested. In addition, in your capacity as an ADS holder, you will not be able to call a shareholders’ meeting. Except in limited circumstances, the depositary for our ADSs will give us a discretionary proxy to vote

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the ordinary shares underlying your ADSs if you do not vote at shareholders’ meetings, which could adversely affect your interests.

Under the deposit agreement for the ADSs, if you do not vote, the depositary will give us a discretionary proxy to vote the ordinary shares underlying your ADSs at shareholders’ meetings unless:

The effect of this discretionary proxy is that you cannot prevent the ordinary shares underlying your ADSs from being voted, except under the circumstances described above. This may make it more difficult for ADS holders to influence the management of our company. Holders of our ordinary shares are not subject to this discretionary proxy.]

[Forum selection provisions in our post-offering memorandum and articles of association and our deposit agreement with the depositary bank could limit the ability of holders of our ordinary shares, ADSs or other securities to obtain a favorable judicial forum for disputes with us, our directors and officers, the depositary bank, and potentially others.

Our post-offering memorandum and articles of association provide that [the federal district courts of the United States are the exclusive forum within the United States] for the resolution of any complaint asserting a cause of action arising under the Securities Act and the Exchange Act. Our agreement with the depositary bank also provides that [the United States District Court for the Southern District of New York (or, if the United States District Court for the Southern District of New York lacks subject matter jurisdiction over a particular dispute, the state courts in New York County, New York)] is the exclusive forum for the resolution of any complaint asserting a cause of action arising under the Securities Act or the Exchange Act. However, the enforceability of similar federal court choice of forum provisions has been challenged in legal proceedings in the United States, and it is possible that a court could find this type of provision to be inapplicable, unenforceable, or inconsistent with other documents that are relevant to the filing of such lawsuits. If a court were to find the federal choice of forum provision contained in our post-offering memorandum and articles of association or our deposit agreement with the depositary bank to be inapplicable or unenforceable in an action, we may incur additional costs associated with resolving such action in other jurisdictions. If upheld, the forum selection clause in our post-offering memorandum and articles of association, as well as the forum selection provisions in the deposit agreement, may limit a security-holder’s ability to bring a claim against us, our directors and officers, the depositary bank, and potentially others in his or her preferred judicial forum, and this limitation may discourage such lawsuits. In addition, the Securities Act provides that both federal and state courts have jurisdiction over suits brought to enforce any duty or liability under the Securities Act or the rules and regulations thereunder. Accepting or consent to this forum selection provision does not constitute a waiver by you of compliance with federal securities laws and the rules and regulations thereunder. You may not waive compliance with federal securities laws and the rules and regulations thereunder. The exclusive forum provision in our post-offering memorandum and articles of association will not operate so as to deprive the courts of the Cayman Islands from having jurisdiction over matters relating to our internal affairs.]

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[We are entitled to amend the deposit agreement and to change the rights of ADS holders under the terms of such agreement, or to terminate the deposit agreement, without the prior consent of the ADS holders.

We are entitled to amend the deposit agreement and to change the rights of the ADS holders under the terms of such agreement, without the prior consent of the ADS holders. We and the depositary may agree to amend the deposit agreement in any way we decide is necessary or advantageous to us. Amendments may reflect, among other things, operational changes in the ADS program, legal developments affecting ADSs or changes in the terms of our business relationship with the depositary. In the event that the terms of an amendment impose or increase fees or charges (other than taxes and other governmental charges, registration fees, cable (including SWIFT) or facsimile transmission costs, delivery costs or other such expenses) or that would otherwise prejudice any substantial existing right of the ADS holders, such amendment will not become effective as to outstanding ADSs until the expiration of 30 days after notice of that amendment has been disseminated to the ADS holders, but no prior consent of the ADS holders is required under the deposit agreement. Furthermore, we may decide to terminate the ADS facility at any time for any reason. For example, terminations may occur when the ADSs are delisted from the stock exchange in the United States on which the ADSs are listed and we do not list the ADSs on another stock exchange in the United States, nor is there a symbol available for over-the-counter trading of the ADSs in the United States. If the ADS facility will terminate, ADS holders will receive at least 90 days’ prior notice, but no prior consent is required from them. Under the circumstances that we decide to make an amendment to the deposit agreement that is disadvantageous to ADS holders or terminate the deposit agreement, the ADS holders may choose to sell their ADSs or surrender their ADSs and become direct holders of the underlying ordinary shares, but will have no right to any compensation whatsoever.]

[Your rights to pursue claims against the depositary as a holder of ADSs are limited by the terms of the deposit agreement.

Under the deposit agreement, any legal suit, action or proceeding against or involving us or the depositary, arising out of or relating in any way to the deposit agreement or the transactions contemplated thereby or by virtue of owning the ADSs may only be instituted in [the United States District Court for the Southern District of New York (or, if the United States District Court for the Southern District of New York lacks subject matter jurisdiction over a particular dispute, in the state courts in New York County, New York)], and you, as a holder of the ADSs, will have irrevocably waived any objection which you may have to the laying of venue of any such proceeding, and irrevocably submitted to the exclusive jurisdiction of such courts in any such action or proceeding. It is possible that a court could find this type of forum selection provision to be inapplicable, unenforceable, or inconsistent with other documents that are relevant to the filing of such lawsuits. For risks related to the enforceability of such exclusive forum selection provision, please see “—Forum selection provisions in our post-offering memorandum and articles of association and our deposit agreement with the depositary bank could limit the ability of holders of our ordinary shares, ADSs or other securities to obtain a favorable judicial forum for disputes with us, our directors and officers, the depositary bank, and potentially others.” Accepting or consent to this forum selection provision does not constitute a waiver by you of compliance with federal securities laws and the rules and regulations thereunder. You may not waive compliance with federal securities laws and the rules and regulations thereunder.

The deposit agreement provides that the depositary or an ADS holder may require any claim asserted by it against us arising out of or relating to our ordinary shares, the ADSs or the deposit agreement be referred to and finally settled by an arbitration conducted under the terms described in the deposit agreement, although the arbitration provisions do not preclude you from pursuing any claim, including claims under the Securities Act or the Exchange Act in [the United States District Court for the Southern District of New York (or such state courts if the United States District Court for the

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Southern District of New York lacks subject matter jurisdiction)]. The exclusive forum selection provisions in the deposit agreement also do not affect the right of any party to the deposit agreement to elect to submit a claim against us to arbitration, or our duty to submit that claim to arbitration, as provided in the deposit agreement, or the right of any party to an arbitration under the deposit agreement, to commence an action to compel that arbitration, or to enter judgment upon or to enforce an award by the arbitrators, in any court having jurisdiction over an action of that kind. See “Description of American Depositary Shares” for more information.]

[You may not receive cash dividends if the depositary decides it is impractical to make them available to you.

The depositary will pay cash dividends on the ADSs only to the extent that we decide to distribute dividends on our ordinary shares or other deposited securities, and we do not have any present plan to pay any cash dividends on our ordinary shares in the foreseeable future. To the extent that there is a distribution, the depositary of our ADSs has agreed to pay to you the cash dividends or other distributions it or the custodian receives on our ordinary shares or other deposited securities after deducting its fees and expenses. You will receive these distributions in proportion to the number of ordinary shares your ADSs represent. However, the depositary may, at its discretion, decide that it is inequitable or impractical to make a distribution available to any holders of ADSs. For example, the depositary may determine that it is not practicable to distribute certain property through the mail, or that the value of certain distributions may be less than the cost of mailing them. In these cases, the depositary may decide not to distribute such property to you.]

[ADSs holders may not be entitled to a jury trial with respect to claims arising under the deposit agreement, which could result in less favorable outcomes to the plaintiff(s) in any such action.

The deposit agreement governing the ADSs representing our ordinary shares provides that, subject to the depositary’s right to require a claim to be submitted to arbitration, [the United States District Court for the Southern District of New York (or, if the United States District Court for the Southern District of New York lacks subject matter jurisdiction over a particular dispute, in the state courts in New York County, New York) have exclusive jurisdiction] to hear and determine claims arising under the deposit agreement (including claims arising under the Exchange Act or the Securities Act) and in that regard, to the fullest extent permitted by law, ADS holders waive the right to a jury trial of any claim they may have against us or the depositary arising out of or relating to our shares, the ADSs or the deposit agreement, including any claim under the U.S. federal securities laws, which may have the effect of limiting and discouraging lawsuits against us and/or the depositary. If a lawsuit is brought against us and/or the depositary under the deposit agreement, it may be heard only by a judge or justice of the applicable trial court, in which the trial would be conducted according to different civil procedures and may result in different outcomes than a trial by jury would have had, including results that could be less favorable to the plaintiff(s) in any such action. Also, we may amend or terminate the deposit agreement without your consent. If you continue to hold your ADSs after an amendment to the deposit agreement, you agree to be bound by the deposit agreement as amended.

If we or the depositary were to oppose a jury trial demand based on such waiver, the court would determine whether the waiver was enforceable in the facts and circumstances of that case in accordance with applicable state and federal law. To our knowledge, the enforceability of a contractual pre-dispute jury trial waiver in connection with claims arising under the federal securities laws has not been finally adjudicated by the United States Supreme Court. However, we believe that a contractual pre-dispute jury trial waiver provision is generally enforceable, including under the laws of the State of New York, which govern the deposit agreement. In determining whether to enforce a contractual pre-dispute jury trial waiver provision, courts will generally consider whether a party knowingly, intelligently and voluntarily waived the right to a jury trial. We believe that this is the case with respect

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to the deposit agreement and the ADSs. It is advisable that you consult legal counsel regarding the jury waiver provision before investing in the ADSs.

Nevertheless, if this jury trial waiver provision is not enforced, to the extent a court action proceeds, it would proceed under the terms of the deposit agreement with a jury trial. No condition, stipulation or provision of the deposit agreement or ADSs serves as a waiver by any holder or beneficial owner of ADSs or by us or the depositary of compliance with any substantive provision of the U.S. federal securities laws and the rules and regulations promulgated thereunder.]

You may face difficulties in protecting your interests, and your ability to protect your rights through U.S. courts may be limited, because we are incorporated under Cayman Islands law.

We are an exempted company incorporated under the laws of the Cayman Islands with limited liability. Our corporate affairs are governed by our memorandum and articles of association, the Companies Act (2021 Revision) of the Cayman Islands, which we refer to as the Companies Act, and the common law of the Cayman Islands. The rights of shareholders to take action against our directors, actions by our minority shareholders and the fiduciary duties of our directors to us under Cayman Islands law are to a large extent governed by the common law of the Cayman Islands. The common law of the Cayman Islands is derived in part from comparatively limited judicial precedent in the Cayman Islands as well as from the common law of England, the decisions of whose courts are of persuasive authority, but are not binding, on a court in the Cayman Islands. The rights of our shareholders and the fiduciary duties of our directors under Cayman Islands law are not as clearly established as they would be under statutes or judicial precedent in some jurisdictions in the United States. In particular, the Cayman Islands has a less developed body of securities laws than the United States. Some U.S. states, such as Delaware, have more fully developed and judicially interpreted bodies of corporate law than the Cayman Islands. In addition, Cayman Islands companies may not have standing to initiate a shareholder derivative action in a federal court of the United States.

Shareholders of Cayman Islands exempted companies like us have no general rights under Cayman Islands law to inspect corporate records (other than copies of the memorandum and articles of association, the register of mortgages and charges and any special resolutions passed by the shareholders) or to obtain copies of lists of shareholders of these companies. Our directors have discretion under our post-offering articles of association that will become effective immediately prior to completion of this offering to determine whether or not, and under what conditions, our corporate records may be inspected by our shareholders, but are not obliged to make them available to our shareholders. This may make it more difficult for you to obtain the information needed to establish any facts necessary for a shareholder motion or to solicit proxies from other shareholders in connection with a proxy contest.

As a result of all of the above, our public shareholders may have more difficulty in protecting their interests in the face of actions taken by management, members of the board of directors or controlling shareholders than they would as public shareholders of a company incorporated in the United States. For a discussion of significant differences between the provisions of the Companies Act and the laws applicable to companies incorporated in the United States and their shareholders, see “Description of Share Capital—Differences in Corporate Law.”

You may be subject to limitations on transfer of your ADSs.

Your ADSs are transferable on the books of the depositary. However, the depositary may close its transfer books at any time or from time to time when it deems expedient in connection with the performance of its duties. The depositary may close its books from time to time for a number of reasons, including in connection with corporate events such as a rights offering, during which time the

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depositary needs to maintain an exact number of ADS holders on its books for a specified period. The depositary may also close its books in emergencies, and on weekends and public holidays. In addition, the depositary may refuse to deliver, transfer or register transfers of ADSs generally when our books or the books of the depositary are closed, or at any time if we or the depositary deems it advisable to do so because of any requirement of law or of any government or governmental body, or under any provision of the deposit agreement, or for any other reason.

Your right to participate in any future rights offerings may be limited, which may cause dilution to your holdings.

We may from time to time distribute rights to our shareholders, including rights to acquire our securities. However, we cannot make rights available to you in the United States unless we register both the rights and the securities to which the rights relate under the Securities Act or an exemption from the registration requirements is available. Under the deposit agreement, the depositary will not make rights available to you unless both the rights and the underlying securities to be distributed to ADS holders are either registered under the Securities Act or exempt from registration under the Securities Act. We are under no obligation to file a registration statement with respect to any such rights or securities or to endeavor to cause such a registration statement to be declared effective and we may not be able to establish a necessary exemption from registration under the Securities Act. Accordingly, you may be unable to participate in our rights offerings and may experience dilution in your holdings.

You may experience difficulties in effecting service of legal process, enforcing foreign judgments or bringing actions in China against us or our management named in the prospectus based on foreign laws.

We are an exempted company incorporated under the laws of the Cayman Islands, however, we conduct almost all of our operations outside the United States and a majority of our assets are located in China. In addition, almost all our directors and officers reside within China for a significant portion of the time and almost all of them are PRC nationals. As a result, it may be difficult for you to effect service of process upon us or our management residing in China in the event that you believe that your rights have been infringed under the U.S. federal securities laws or otherwise. Even if you are successful in bringing an action of this kind, the laws of the Cayman Islands and of the PRC may render you unable to enforce a judgment against our assets or the assets of our directors and officers. In addition, China does not have treaties providing for reciprocal recognition and enforcement of judgments of courts with the Cayman Islands and many other countries and regions. Therefore, recognition and enforcement in China of judgments of a court in any of these non-PRC jurisdictions in relation to any matter not subject to a binding arbitration provision may be difficult or impossible.

It may be difficult for overseas regulators to conduct investigation or collect evidence within China.

Shareholder claims or regulatory investigation that are common in the United States generally are difficult to pursue as a matter of law or practicality in China. For example, in China, there are significant legal and other obstacles to providing information needed for regulatory investigations or litigation initiated outside China. Although the authorities in China may establish a regulatory cooperation mechanism with the securities regulatory authorities of another country or region to implement cross-border supervision and administration, such cooperation with the securities regulatory authorities in the Unities States may not be efficient in the absence of mutual and practical cooperation mechanism. Furthermore, according to Article 177 of the PRC Securities Law, or Article 177, which became effective in March 2020, no overseas securities regulator is allowed to directly conduct investigation or evidence collection activities within the territory of the PRC. While detailed interpretation of or

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implementation rules under Article 177 have yet to be promulgated, the inability for an overseas securities regulator to directly conduct investigation or evidence collection activities within China may further increase difficulties faced by you in protecting your interests. See also “—Risks Related to the ADSs and This Offering—You may face difficulties in protecting your interests, and your ability to protect your rights through U.S. courts may be limited, because we are incorporated under Cayman Islands law” for risks associated with investing in us as a Cayman Islands company.

We have not determined a specific use for a portion of the net proceeds from this offering and we may use these proceeds in ways with which you may not agree.

We have not determined a specific use for a portion of the net proceeds of this offering, and our management will have considerable discretion in deciding how to apply these proceeds. You will not have the opportunity to assess whether the proceeds are being used appropriately before you make your investment decision. You must rely on the judgment of our management regarding the application of the net proceeds of this offering. We cannot assure you that the net proceeds will be used in a manner that would improve our results of operations or increase our ADS price, nor that these net proceeds will be placed only in investments that generate income or appreciate in value.

The post-offering memorandum and articles of association that will become effective immediately prior to the completion of this offering will contain anti-takeover provisions that could discourage a third party from acquiring us and adversely affect the rights of holders of our ordinary shares and the ADSs.

We will adopt a further amended and restated memorandum and articles of association that will become effective immediately prior to the completion of this offering, which we refer to as our post-offering memorandum and articles of association. Our post-offering memorandum and articles of association will contain provisions to limit the ability of others to acquire control of our company or cause us to engage in change of control transactions. These provisions could have the effect of depriving our shareholders of an opportunity to sell their shares at a premium over prevailing market prices by discouraging third parties from seeking to obtain control of our company in a tender offer or similar transaction. Our board of directors has the authority, without further action by our shareholders, to issue preferred shares in one or more series and to fix their designations, powers, preferences, privileges, and relative participating, optional or special rights and the qualifications, limitations or restrictions, including dividend rights, conversion rights, voting rights, terms of redemption and liquidation preferences, any or all of which may be greater than the rights associated with our ordinary shares, in the form of ADS or otherwise. Preferred shares could be issued quickly with terms calculated to delay or prevent a change in control of our company or make removal of management more difficult. If our board of directors decides to issue preferred shares, the price of our ADSs may fall and the voting and other rights of the holders of our ordinary shares and ADSs may be materially and adversely affected.

We are a foreign private issuer within the meaning of the rules under the Exchange Act, and as such we are exempt from certain provisions applicable to U.S. domestic public companies.

Because we qualify as a foreign private issuer under the Exchange Act, we are exempt from certain provisions of the securities rules and regulations in the United States that are applicable to U.S. domestic issuers, including:

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We will be required to file an annual report on Form 20-F within four months of the end of each fiscal year. In addition, we intend to publish our results on a quarterly basis as press releases, distributed pursuant to the rules and regulations of the New York Stock Exchange. Press releases relating to financial results and material events will also be furnished to the SEC on Form 6-K. However, the information we are required to file with or furnish to the SEC will be less extensive and less timely compared to that required to be filed with the SEC by U.S. domestic issuers. As a result, you may not be afforded the same protections or information that would be made available to you were you investing in a U.S. domestic issuer.

As an exempted company incorporated in the Cayman Islands, we are permitted to adopt certain home country practices in relation to corporate governance matters that differ significantly from the corporate governance requirements of the New York Stock Exchange; these practices may afford less protection to shareholders than they would enjoy if we complied fully with the corporate governance requirements of the New York Stock Exchange.

As a Cayman Islands company listed on the New York Stock Exchange, we are subject to the corporate governance listing standards of the New York Stock Exchange. However, rules of the New York Stock Exchange rules permit a foreign private issuer like us to follow the corporate governance practices of its home country. Certain corporate governance practices in the Cayman Islands, which is our home country, may differ significantly from the corporate governance listing standards of the New York Stock Exchange. If we choose to follow home country practices in the future, our shareholders may be afforded less protection than they would otherwise enjoy under the corporate governance listing standards of the New York Stock Exchange that are applicable to U.S. domestic issuers.

There can be no assurance that we will not be classified as a passive foreign investment company for U.S. federal income tax purposes, which could result in adverse U.S. federal income tax consequences to U.S. Holders of our ADSs or ordinary shares.

A non-U.S. corporation, such as our company, will generally be classified as a “passive foreign investment company,” or “PFIC,” for U.S. federal income tax purposes, for any taxable year, if either (i) 75% or more of its gross income for such year consists of certain types of “passive” income or (ii) 50% or more of its assets (generally determined on the basis of a quarterly average) during such year produce or are held for the production of passive income. Although the law in this regard is not entirely clear, we treat our VIEs and their subsidiaries as being owned by us for U.S. federal income tax purposes because we control their management decisions and are entitled to substantially all of the economic benefits associated with them. As a result, we consolidate their results of operations in our consolidated U.S. GAAP financial statements. If it were determined, however, that we are not the owner of our VIEs and their subsidiaries for U.S. federal income tax purposes, we may be treated as a PFIC for the current taxable year and any future taxable year. Assuming that we are the owner of our VIEs and their subsidiaries for U.S. federal income tax purposes, and, based upon our current and projected income and assets, including the expected cash proceeds from this offering, and projections as to the value of our assets, taking into account the projected market value of our ADSs following this offering, we do not presently expect to be a PFIC for the current taxable year or the foreseeable future.

While we do not expect to be or become a PFIC, no assurance can be given in this regard because the determination of whether we are or will become a PFIC for any taxable year is a fact-

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intensive inquiry made on an annual basis that depends, in part, upon the composition and classification of our income and assets. Fluctuations in the market price of our ADSs may cause us to be or become a PFIC for the current or subsequent taxable years because the value of our assets for the purpose of the asset test, including the value of our goodwill and other unbooked intangibles, may be determined by reference to the market price of our ADSs from time to time (which may be volatile). The composition of our income and assets may also be affected by how, and how quickly, we use our liquid assets including cash raised in this offering.

If we are classified as a PFIC for any taxable year during which a U.S. Holder (as defined in “Taxation—United States Federal Income Tax Considerations”) holds our ADSs or ordinary shares, the PFIC tax rules discussed under “Taxation—United States Federal Income Tax Considerations—Passive Foreign Investment Company Rules” will generally apply to such U.S. Holder for such taxable year and, unless the U.S. Holder makes a “mark-to-market” election, will apply in future years even if we cease to be a PFIC. See the discussion under “Taxation—United States Federal Income Tax Considerations—Passive Foreign Investment Company Rules” concerning the U.S. federal income tax considerations of an investment in our ADSs or ordinary shares if we are or become classified as a PFIC and the possibility of making such election.

We are an emerging growth company within the meaning of the Securities Act and may take advantage of certain reduced reporting requirements.

As a company with less than US$1.07 billion in revenues for our last fiscal year, we qualify as an “emerging growth company” pursuant to the JOBS Act. Therefore, we may take advantage of specified reduced reporting and other requirements that are otherwise applicable generally to public companies. These provisions include exemption from the auditor attestation requirement under Section 404 of the Sarbanes-Oxley Act of 2002, or Section 404, in the assessment of the emerging growth company’s internal control over financial reporting and permission to delay adopting new or revised accounting standards until such time as those standards apply to private companies. As a result, if we elect not to comply with such reporting and other requirements, in particular the auditor attestation requirements, our investors may not have access to certain information they may deem important.

The JOBS Act also provides that an emerging growth company does not need to comply with any new or revised financial accounting standards until such date that a private company is otherwise required to comply with such new or revised accounting standards. We do not plan to “opt out” of such exemptions afforded to an emerging growth company. As a result of this election, our financial statements may not be comparable to companies that comply with public company effective dates.

We will incur increased costs and become subject to additional rules and regulations as a result of being a public company, particularly after we cease to qualify as an “emerging growth company.”

Upon completion of this offering, we will become a public company and expect to incur significant legal, accounting and other expenses that we did not incur as a private company. The Sarbanes-Oxley Act of 2002, as well as rules subsequently implemented by the Securities and Exchange Commission, or the SEC, the New York Stock Exchange, impose various requirements on the corporate governance practices of public companies. We expect these rules and regulations to increase our legal and financial compliance costs and to make some corporate activities more time-consuming and costly.

As a result of becoming a public company, we will need to increase the number of independent directors and adopt policies regarding internal controls and disclosure controls and procedures. We also expect that operating as a public company will make it more difficult and more expensive for us to obtain director and officer liability insurance, and we may be required to accept reduced policy limits

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and coverage or incur substantially higher costs to obtain the same or similar coverage. In addition, we will incur additional costs associated with our public company reporting requirements. It may also be more difficult for us to find qualified persons to serve on our board of directors or as executive officers. We are currently evaluating and monitoring developments with respect to these rules and regulations, and we cannot predict or estimate with any degree of certainty the number of additional costs we may incur or the timing of such costs.

In the past, shareholders of a public company often brought securities class action suits against the company following periods of instability in the market price of that company’s securities. If we were to be involved in a class action suit, it would possibly divert a significant amount of our management’s attention and other resources from our business and operations, which could harm our results of operations and require us to incur significant expenses to defend the suit. Any such class action suit, whether or not successful, could harm our reputation and restrict our ability to raise capital in the future. In addition, if a claim is successfully made against us, we may be required to pay significant damages, which could have a material and adverse effect on our financial condition and results of operations.

In addition, as an emerging growth company, we will still incur expenses in relation to management assessment according to requirements of Section 404(a) of the Sarbanes-Oxley Act of 2002. After we are no longer an “emerging growth company,” we expect to incur additional significant expenses and devote substantial management effort toward ensuring compliance with the requirements of Section 404(b) of the Sarbanes-Oxley Act of 2002 and the other rules and regulations of the SEC.

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SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS

This prospectus contains forward-looking statements that reflect our current expectations and views of future events. The forward-looking statements are contained principally in the sections entitled “Prospectus Summary,” “Risk Factors,” “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and “Business.” Known and unknown risks, uncertainties and other factors, including those listed under “Risk Factors,” may cause our actual results, performance or achievements to be materially different from those expressed or implied by the forward-looking statements.

You can identify some of these forward-looking statements by words or phrases such as “may,” “will,” “expect,” “anticipate,” “aim,” “estimate,” “intend,” “plan,” “believe,” “is/are likely to,” “potential,” “continue” or other similar expressions. We have based these forward-looking statements largely on our current expectations and projections about future events that we believe may affect our financial condition, results of operations, business strategy and financial needs. These forward-looking statements include statements relating to:

These forward-looking statements involve various risks and uncertainties. Although we believe that our expectations expressed in these forward-looking statements are reasonable, our expectations may later be found to be incorrect. Our actual results could be materially different from our expectations. Important risks and factors that could cause our actual results to be materially different from our expectations are generally set forth in “Prospectus Summary—Our Challenges,” “Risk Factors,” “Management’s Discussion and Analysis of Financial Condition and Results of Operations,” “Business,” “Regulation” and other sections in this prospectus. You should read thoroughly this prospectus and the documents that we refer to with the understanding that our actual future results may be materially different from and worse than what we expect. We qualify all of our forward-looking statements by these cautionary statements.

This prospectus contains certain data and information that we obtained from various government and private publications. Statistical data in these publications also include projections based on a number of assumptions. The pre-owned consumer electronics market may not grow at the rate projected by market data, or at all. Failure of this market to grow at the projected rate may have a material and adverse effect on our business and the market price of the ADSs. In addition, the rapidly evolving nature of this industry results in significant uncertainties for any projections or estimates relating to the growth prospects or future condition of our market. Furthermore, if any one or more of the assumptions underlying the market data are later found to be incorrect, actual results may differ from the projections based on these assumptions. You should not place undue reliance on these forward-looking statements.

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The forward-looking statements made in this prospectus relate only to events or information as of the date on which the statements are made in this prospectus. Except as required by law, we undertake no obligation to update or revise publicly any forward-looking statements, whether as a result of new information, future events or otherwise, after the date on which the statements are made or to reflect the occurrence of unanticipated events. You should read this prospectus and the documents that we refer to in this prospectus and have filed as exhibits to the registration statement, of which this prospectus is a part, completely and with the understanding that our actual future results may be materially different from what we expect.

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USE OF PROCEEDS

We estimate that we will receive net proceeds from this offering of approximately US$            , or approximately US$            if the underwriters exercise their over-allotment option in full, after deducting underwriting discounts and commissions and the estimated offering expenses payable by us. These estimates are based upon an assumed initial public offering price of US$            per ADS, which is the midpoint of the price range shown on the front page of this prospectus. A US$1.00 increase (decrease) in the assumed initial public offering price of US$            per ADS would increase (decrease) the net proceeds to us from this offering by US$            , assuming the number of ADSs offered by us, as set forth on the front cover of this prospectus, remains the same and after deducting the estimated underwriting discounts and commissions and estimated expenses payable by us.

The primary purposes of this offering are to create a public market for our shares for the benefit of all shareholders, retain talented employees by providing them with equity incentives and obtain additional capital. We plan to use the net proceeds of this offering to expand our business operations as follows:

The foregoing represents our current intentions based upon our present plans and business conditions to use and allocate the net proceeds of this offering. Our management, however, will have significant flexibility and discretion to apply the net proceeds of this offering. If an unforeseen event occurs or business conditions change, we may use the proceeds of this offering differently than as described in this prospectus. See “Risk Factors—Risks Related to the ADSs and This Offering—We have not determined a specific use for a portion of the net proceeds from this offering and we may use these proceeds in ways with which you may not agree.”

Pending any use described above, we plan to invest the net proceeds in short-term, interest-bearing, debt instruments or demand deposits.

In using the proceeds of this offering, we are permitted under PRC laws and regulations as an offshore holding company to provide funding to our PRC subsidiaries only through loans or capital contributions and to our VIEs only through loans, subject to satisfaction of applicable government registration and approval requirements. We cannot assure you that we will be able to obtain these government registrations or approvals on a timely basis, or at all. See “Risk Factors—Risks Related to Doing Business in China—PRC regulation of loans to and direct investment in PRC entities by offshore holding companies and governmental control of currency conversion may delay or prevent us from using the proceeds of this offering to make loans or additional capital contributions to our PRC subsidiaries and our VIEs in China, which could materially and adversely affect our liquidity and our ability to fund and expand our business.”

[We will not receive any of the proceeds from the sale of ADSs by the selling shareholders.]

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DIVIDEND POLICY

Our board of directors has discretion on whether to distribute dividends, subject to certain requirements of Cayman Islands law. In addition, our shareholders may by ordinary resolution declare a dividend, but no dividend may exceed the amount recommended by our board of directors. In either case, all dividends are subject to certain restrictions under Cayman Islands law, namely that our company may only pay dividends out of profits or share premium, and provided always that in no circumstances may a dividend be paid if this would result in our company being unable to pay its debts as they fall due in the ordinary course of business. Even if we decide to pay dividends, the form, frequency and amount will depend upon our future operations and earnings, capital requirements and surplus, general financial condition, contractual restrictions and other factors that the board of directors may deem relevant.

We do not have any present plan to pay any cash dividends on our ordinary shares in the foreseeable future after this offering. We currently intend to retain most, if not all, of our available funds and any future earnings to operate and expand our business.

We are a holding company incorporated in the Cayman Islands. We may rely on dividends from our subsidiaries in China for our cash requirements, including any payment of dividends to our shareholders. PRC regulations may restrict the ability of our PRC subsidiaries to pay dividends to us. See “Regulation—Regulations Relating to Dividend Distribution.”

If we pay any dividends on our ordinary shares, we will pay those dividends which are payable in respect of the ordinary shares underlying the ADSs to the depositary, as the registered holder of such ordinary shares, and the depositary then will pay such amounts to the ADS holders in proportion to the ordinary shares underlying the ADSs held by such ADS holders, subject to the terms of the deposit agreement, including the fees and expenses payable thereunder. See “Description of American Depositary Shares.” Cash dividends on our ordinary shares, if any, will be paid in U.S. dollars.

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CAPITALIZATION

The following table sets forth our capitalization as of December 31, 2020:

You should read this table together with our consolidated financial statements and the related notes included elsewhere in this prospectus and the information under “Management’s Discussion and Analysis of Financial Condition and Results of Operations.”

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DILUTION

If you invest in the ADSs, your interest will be diluted to the extent of the difference between the initial public offering price per ADS and our net tangible book value per ADS after this offering. Dilution results from the fact that the initial public offering price per ordinary share is substantially in excess of the book value per ordinary share attributable to the existing shareholders for our presently outstanding ordinary shares.

Our net tangible book value as of December 31, 2020 was approximately US$76.2 million, representing US$4.1 per ordinary share as of that date and US$             per ADS, or US$            per ordinary share and US$            per ADS on a pro forma basis. Net tangible book value represents the amount of our total consolidated tangible assets, less the amount of our total consolidated liabilities. Pro forma net tangible book value per ordinary share is calculated after giving effect to the automatic conversion of all of our issued and outstanding convertible preference shares. Dilution is determined by subtracting pro forma net tangible book value per ordinary share, after giving effect to the additional proceeds we will receive from this offering, from the assumed initial public offering price of US$            per ordinary share, which is the midpoint of the estimated initial public offering price range set forth on the front cover of this prospectus adjusted to reflect the ADS-to-ordinary share ratio, and after deducting underwriting discounts and commissions and estimated offering expenses payable by us.

Without taking into account any other changes in pro forma net tangible book value after December 31, 2020, other than to give effect to our sale of the ADSs offered in this offering at the assumed initial public offering price of US$            per ADS, which is the midpoint of the estimated initial public offering price range, after deduction of the underwriting discounts and commissions and estimated offering expenses payable by us, our pro forma as adjusted net tangible book value as of December 31, 2020 would have been US$            , or US$             per ordinary share and US$            per ADS. This represents an immediate increase in net tangible book value of US$per ordinary share and US$            per ADS to the existing shareholders and an immediate dilution in net tangible book value of US$            per ordinary share and US$            per ADS to investors purchasing ADSs in this offering. The following table illustrates such dilution:

A US$1.00 increase (decrease) in the assumed initial public offering price of US$            per ADS would increase (decrease) our pro forma as adjusted net tangible book value after giving effect to this offering by US$            , the pro forma as adjusted net tangible book value per ordinary share and per ADS after giving effect to this offering by US$            per ordinary share and US$            per ADS and the dilution in pro forma as adjusted net tangible book value per ordinary share and per ADS to new investors in this offering by US$            per ordinary share and US$            per ADS, assuming no change to the number of ADSs offered by us as set forth on the front cover of this prospectus, and after deducting underwriting discounts and commissions and estimated offering expenses payable by us.

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The following table summarizes, on a pro forma as adjusted basis as of December 31, 2020, the differences between existing shareholders and the new investors with respect to the number of ordinary shares (in the form of ADSs or shares) purchased from us, the total consideration paid and the average price per ordinary share and per ADS paid before deducting the underwriting discounts and commissions and estimated offering expenses payable by us. The total number of ordinary shares does not include ordinary shares underlying the ADSs issuable upon the exercise of the over-allotment option granted to the underwriters.

The pro forma as adjusted information discussed above is illustrative only. Our net tangible book value following the completion of this offering is subject to adjustment based on the actual initial public offering price of the ADSs and other terms of this offering determined at pricing.

The discussion and tables above assume no exercise of any share options outstanding as of the date of this prospectus. As of the date of this prospectus, there are 19,728,141 ordinary shares issuable upon exercise of outstanding share options with exercise prices ranging from US$0.03 per share to US$2.8 per share, and there are 2,192,823 ordinary shares available for future issuance upon the exercise of future grants under our 2016 Plan. As of the date of this prospectus, there are 2,964,091 ordinary shares to be issued for vested restricted share units, and there are 3,211,098 ordinary shares available for future issuance upon the exercise/vesting of future grants under our 2021 Plan. To the extent that any of these options are exercised, there will be further dilution to new investors.

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ENFORCEABILITY OF CIVIL LIABILITIES

Cayman Islands

We are incorporated under the laws of the Cayman Islands as an exempted company with limited liability. We are incorporated in the Cayman Islands to take advantage of certain benefits associated with being a Cayman Islands exempted company, such as:

However, certain disadvantages accompany incorporation in the Cayman Islands. These disadvantages include but are not limited to:

Our constitutional documents do not contain provisions requiring that disputes, including those arising under the securities laws of the United States, between us, our officers, directors and shareholders, be arbitrated.

A majority of our assets and operations are located in China. All of our directors and officers are nationals or residents of jurisdictions other than the United States and most of their assets are located outside the United States. As a result, it may be difficult for a shareholder to effect service of process within the United States upon these individuals, or to bring an action against us or these individuals in the United States, or to enforce against us or them judgments obtained in United States courts, including judgments predicated upon the civil liability provisions of the securities laws of the United States or any state in the United States.

We have appointed                     , located at                    , as our agent upon whom process may be served in any action brought against us under the securities laws of the United States.

Maples and Calder (Hong Kong) LLP, our Cayman Islands counsel, has advised us that there is uncertainty as to whether the courts of the Cayman Islands would (i) recognize or enforce judgments of U.S. courts obtained against us or our directors or officers that are predicated upon the civil liability provisions of the federal securities laws of the United States or the securities laws of any state in the United States, or (ii) entertain original actions brought in the Cayman Islands against us or our directors or officers that are predicated upon the federal securities laws of the United States or the securities laws of any state in the United States.

Maples and Calder (Hong Kong) LLP has informed us that although there is no statutory enforcement in the Cayman Islands of judgments obtained in the federal or state courts of the United States (and the Cayman Islands are not a party to any treaties for the reciprocal enforcement or recognition of such judgments), the courts of the Cayman Islands will, at common law, recognize and enforce a foreign money judgment of a foreign court of competent jurisdiction without any

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re-examination of the merits of the underlying dispute based on the principle that the judgment of the competent foreign court imposes upon the judgment debtor a liability to pay a liquidated sum for which such judgment has been given, provided such judgment (i) is final and conclusive, (ii) is not in respect of taxes, a fine or a penalty, and (iii) was not obtained in a manner and is not of a kind the enforcement of which is contrary to natural justice or the public policy of the Cayman Islands. However, the Cayman Islands courts are unlikely to enforce a judgment obtained from the U.S. courts under civil liability provisions of the U.S. federal securities law if such judgment is determined by the courts of the Cayman Islands to give rise to obligations to make payments that are penal or punitive in nature. A Cayman Islands court may stay enforcement proceedings if concurrent proceedings are being brought elsewhere.

PRC

Han Kun Law Offices, our PRC counsel, has advised us that there is uncertainty as to whether the courts of China would:

Han Kun Law Offices has further advised us that the recognition and enforcement of foreign judgments are provided for under the PRC Civil Procedures Law. PRC courts may recognize and enforce foreign judgments in accordance with the requirements of the PRC Civil Procedures Law based either on treaties between China and the country where the judgment is made or on principles of reciprocity between jurisdictions. China does not have any treaties or other forms of written reciprocity with the United States or the Cayman Islands that provide for the reciprocal recognition and enforcement of foreign judgments. In addition, according to the PRC Civil Procedures Law, courts in the PRC will not enforce a foreign judgment against us or our directors and officers if they decide that the judgment violates the basic principles of PRC law or national sovereignty, security, or public interest. As a result, it is uncertain whether and on what basis a PRC court would enforce a judgment rendered by a court in the United States or in the Cayman Islands. Under the PRC Civil Procedures Law, foreign shareholders may originate actions based on PRC law against a company in China for disputes if they can establish sufficient nexus to the PRC for a PRC court to have jurisdiction, and meet other procedural requirements, including, among others, the plaintiff must have a direct interest in the case, and there must be a concrete claim, a factual basis and a cause for the suit. It will be, however, difficult for U.S. shareholders to originate actions against us in the PRC in accordance with PRC laws because we are incorporated under the laws of the Cayman Islands and it will be difficult for U.S. shareholders, by virtue only of holding the ADSs or ordinary shares, to establish a connection to the PRC for a PRC court to have jurisdiction as required under the PRC Civil Procedures Law.

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CORPORATE HISTORY AND STRUCTURE

We commenced our operations in 2011 by procuring pre-owned phones and other consumer electronics from consumers through AHS Recycle. In 2014, we expanded to offline channels by opening self-operated AHS stores in popular shopping malls. In 2015, we started cooperating with e-commerce platforms such as JD.com, and consumer electronics brands such as Xiaomi, to attract their user traffic to our offline AHS stores for trade-in. In an attempt to further leverage our supply chain capabilities and quality inspection, grading and pricing capability accumulated in years of our business operations, in late 2017, we launched PJT Marketplace, an online bidding platform where AHS Recycle and third-party merchants sell pre-owned consumer electronics to buyers, primarily small merchants and retailers, and, in 2019, we acquired Paipai Marketplace, a B2C transaction platform for pre-owned products, from JD Group.

To facilitate our offshore financing, we established our offshore holding structure during the period from November 2011 to August 2012. Specifically, we established AiHuiShou International Co. Ltd., our current holding company, in Cayman Islands in November 2011. Our Cayman holding company further established AiHuiShou International Company Limited, or AiHuiShou HK, as its wholly-owned subsidiary in Hong Kong in January 2012. In August 2012, AiHuiShou HK further established a wholly-owned subsidiary, Shanghai Aihui Trading Co., Ltd., or Shanghai Aihui, in China.

After we established our offshore holding structure in August 2012, we obtained control over Shanghai Wanwuxinsheng Environmental Protection Technology Group Co., Ltd., or Shanghai Wanwuxinsheng, a company jointly established by Mr. Kerry Xuefeng Chen and Mr. Wenjun Sun in China in May 2010 under the name of Shanghai Yueyee Network Information Technology Co., Ltd. (上海悦易网络信息技术有限公司), by entering into a set of contractual arrangements between Shanghai Aihui, Shanghai Wanwuxinsheng and the shareholders of Shanghai Wanwuxinsheng in August 2012. The contractual arrangements were supplemented, amended or restated several times and the latest set of contractual arrangements consist of (i) the exclusive technology consulting and management service agreement and a supplement agreement allowing us to receive all economic benefits of Shanghai Wanwuxinsheng, (ii) the business operation agreement allowing us to control the business operations and management of Shanghai Wanwuxinsheng, (iii) the third amended and restated option purchase agreements granting us an option to acquire all equity interests of Shanghai Wanwuxinsheng, (iv) the third amended and restated share pledge agreement pledging us all equity interests of Shanghai Wanwuxinsheng to guarantee the performance of obligations by Shanghai Wanwuxinsheng and its shareholders under the contractual arrangements, (v) the voting proxy agreement granting us all rights as the shareholders of Shanghai Wanwuxinsheng, (vi) the amended and restated powers of attorney executed by each of the shareholders of Shanghai Wanwuxinsheng irrevocably delegating us the full power to act as shareholders of Shanghai Wanwuxinsheng, and (vii) the spousal consent letters executed by each of the spouses of Mr. Kerry Xuefeng Chen and Mr. Wenjun Sun. Shanghai Wanwuxinsheng is the primary entity through which we carry out our research and development activities and innovation and provide back office supports to our business operations.

Shanghai Wanwuxinsheng further established in China (i) Shanghai Yueyi Network Information Technology Co., Ltd. (上海悦亿网络信息技术有限公司) in September 2015 and (ii) Changzhou Yueyi Network Information Technology Co., Ltd., or Changzhou Yueyi, in June 2017. Shanghai Yueyi mainly operates our own offline AHS stores in the AHS store network and our PJT and Paipai online marketplaces, as well as other innovative businesses. Changzhou Yueyi mainly engages in the collection of pre-owned consumer electronics sourced from JD Group’s e-commerce platforms, our brand partners and distributor partners.