Indicate the number of outstanding shares of each of the issuer’s classes of capital or common stock as of the close of the period covered by the annual report: Class A ordinary shares, par value US$0.002 each20,637,924Class B ordinary shares, par value US$0.002 each2,858,909 Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Of 1934. Yes☐No☒ If this report is an annual or transition report, indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Securities Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during thepreceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes☒No☐ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T(§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes☒No☐ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or an emerging growth company. See thedefinitions of “large accelerated filer,” “accelerated filer,” and “emerging growth company” in Rule 12b-2 of the Exchange Act. 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 theextended transition period for complying with any new or revised financial accounting standards † provided pursuant to Section 13(a) of the Exchange Act.☐ † The term “new or revised financial accounting standard” refers to any update issued by the Financial Accounting Standards Board to its Accounting StandardsCodification after April 5, 2012. Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control overfinancial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b) by the registered public accounting firm that prepared or issued its audit report.☐ If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect thecorrection of an error to previously issued financial statements.☐ Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of theregistrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b).☐ Indicate by check mark which basis of accounting the registrant has used to prepare the financial statements included in this filing: International Financial Reporting Standards as issued by theInternational accounting Standards Board☐ If “Other” has been checked in response to the previous question indicate by check mark which financial statement item the registrant has elected to follow. Item 17☐Item 18☐ Indicate by check mark whether the registrant has filed all documents and reports required to be filed by Sections 12, 13 or 15(d) of the Securities Exchange Act of 1934subsequent to the distribution of securities under a plan confirmed by a court. Yes☐No☐ TABLE OF CONTENTS PageINTRODUCTIONiiMARKET AND INDUSTRY DATAivPART I1Item 1.IDENTITY OF DIRECTORS, SENIOR MANAGEMENT AND ADVISERS1Item 2.OFFER STATISTICS AND EXPECTED TIMETABLE1Item 3.KEY INFORMATION1Item 4.INFORMATION ON THE COMPANY58Item 4A.UNRESOLVED STAFF COMMENTS83Item 5.OPERATING AND FINANCIAL REVIEW AND PROSPECTS83Item 6.DIRECTORS, SENIOR MANAGEMENT AND EMPLOYEES96Item 7.MAJOR SHAREHOLDERS AND RELATED PARTY TRANSACTIONS107Item 8.FINANCIAL INFORMATION109Item 9.THE OFFER AND LISTING110Item 10.ADDITIONAL INFORMATION111Item 11.QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK129Item 12.DESCRIPTION OF SECURITIES OTHER THAN EQUITY SECURITIES130PART II131Item 13.DEFAULTS, DIVIDEND ARREARAGES AND DELINQUENCIES131Item 14.MATERIAL MODIFICATIONS TO THE RIGHTS OF SECURITY HOLDERS AND USE OF PROCEEDS131Item 15.CONTROLS AND PROCEDURES132Item 16.[RESERVED]133Item 16A.AUDIT COMMITTEE FINANCIAL EXPERT133Item 16B.CODE OF ETHICS133Item 16C.PRINCIPAL ACCOUNTANT FEES AND SERVICES134Item 16D.EXEMPTIONS FROM THE LISTING STANDARDS FOR AUDIT COMMITTEES134Item 16E.PURCHASES OF EQUITY SECURITIES BY THE ISSUER AND AFFILIATED PURCHASERS134Item 16F.CHANGE IN REGISTRANT’S CERTIFYING ACCOUNTANT134Item 16G.CORPORATE GOVERNANCE134Item 16H.MINE SAFETY DISCLOSURE135Item 16I.DISCLOSURE REGARDING FOREIGN JURISDICTIONS THAT PREVENT INSPECTIONS135ITEM 16J.INSIDER TRADING POLICIES135ITEM 16K.CYBERSECURITY136PART III137Item