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Table of Contents ☐ ☑ ☐ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , DC 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 OR ㅁ 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 For the transition period from Commission file number 1-13522 to China Yuchai International Limited ( Exact Name of Registrant as Specified in Its Charter ) Not Applicable ( Translation of Registrant's Name Into English ) Bermuda ( Jurisdiction of Incorporation or Organization ) 16 Raffles Quay # 39-01A Hong Leong Building Singapore 048581 ( Address of Principal Executive Offices ) Phung Khong Fock Thomas Chief Financial Officer 16 Raffles Quay # 39-01A Hong Leong Building Singapore 048581 Tel : +65 6220 8411 Fax : +65 6221 1172 ( Name , Telephone , E - mail 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 Common Stock , par value US $ 0.10 per Share Trading Symbol ( s ) CYD Name of Each Exchange on Which Registered The New York Stock Exchange