1、Table of Contents UNITED STATESSECURITIES AND EXCHANGE COMMISSIONWASHINGTON,D.C.20549 FORM 20-F(Mark One)oREGISTRATION STATEMENT PURSUANT TO SECTION 12(b)OR 12(g)OF THE SECURITIES EXCHANGEACT OF 1934 OR xANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934For the fisca
2、l year ended December 31,2019 OR oTRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF1934 OR oSHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGEACT OF 1934 Date of event requiring this shell company report For the transition period from to C
3、ommission file number:001-39137 AnPac Bio-Medical Science Co.,Ltd.(Exact name of Registrant as specified in its charter)N/A(Translation of Registrants name into English)British Virgin Islands(Jurisdiction of incorporation or organization)801 Bixing Street,Bihu CountyLishui,Zhejiang Province 323006Th
4、e Peoples Republic of China(Address of principal executive offices)Chris Chang Yu,Chairman and Chief Executive OfficerTel:+86-578-2051-666chris_801 Bixing Street,Bihu CountyLishui,Zhejiang Province 323006The Peoples Republic of China(Name,Telephone,E-mail and Address of Company Contact Person)Securi
5、ties registered or to be registered pursuant to Section 12(b)of the Act:Title of Each Class Trading Symbol(s)Name of Exchange on Which RegisteredAmerican depositary shares(each representingone Class A ordinary share,par value US$0.01 pershare)Class A ordinary share,par value US$0.01 per share*ANPC N
6、ASDAQ Global Market*Not for trading,but only in connection with the listing on the NASDAQ Global Market of the American depositary shares.Securities registered or to be registered pursuant to Section 12(g)of the Act:None(Title of Class)Table of Contents Securities for which there is a reporting obli