UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 O R ¨ TRANSITION REPORT PURSUANT TO SECTI ON 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ___________ to ___________ Commission file number 0-22900 CENTURY CA SINOS, INC. (Exact name of registrant as specified in its charter) DELAWARE 84-1271317 (State or other ...