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Table of Contents ( Mark One ) ☑ UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON , D.C. 20549 FORM 20 - F REGISTRATION STATEMENT PURSUANT TO SECTION 12 ( b ) OR 12 ( g ) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31 , 2020 . OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from OR to SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of event requiring this shell company report . Commission file number : 001-38638 NIO Inc. ( Exact Name of Registrant as Specified in Its Charter ) N / A ( Translation of Registrant's Name Into English ) Cayman Islands ( Jurisdiction of Incorporation or Organization ) Building 20 , No. 56 AnTuo Road , Anting Town , Jiading District Shanghai 201804 , People's Republic of China ( Address of Principal Executive Offices ) Wei Feng , Chief Financial Officer Building 20 , No. 56 AnTuo Road , Anting Town , Jiading District Shanghai 201804 , People's Republic of China Telephone : + 8621-6908 2018 Email : ir@nio.com ( Name , Telephone , Email and / or Facsimile number and Address of Company Contact Person ) Securities registered or to be registered pursuant to Section 12 ( b ) of the Act : Title of Each Class American depositary shares ( each representing one Class A ordinary share , par value US $ 0.00025 per share ) Class A ordinary shares , par value US $ 0.00025 per share * * Not for trading , but only in connection with the listing on the New York Stock Exchange of American depositary shares . Trading Symbol NIO Name of Each Exchange On Which Registered New York Stock Exchange Securities registered or to be registered pursuant to Section 12 ( g ) of the Act : None