[FORM 10-Q (Mark one) x For the quarterly period ended March 31, 2009 or ¨ TRANSITION REPORT UNDE For the transition period from ________ to _________ China Automotive Systems, Inc. Delaware 33-0885775 (State or other jurisdiction of incorporation or (I.R.S. employer identification number) No. 1 Henglong Road, Yu Qiao Development Zone, Shashi District, Jing Zhou City, Hubei Province, People’s Republic] [CERTIFICATION I, Qizhou Wu, certify that: 1. I have reviewed this quarterly report on Form 10-Q of China Automotive Systems, Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements] [CERTIFICATION I, Jie Li, certify that: 1. I have reviewed this quarterly report on Form 10-Q of China Automotive Systems, Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements] [CHINA AUTOMOTIVE SYSTEMS, INC. 18 U.S.C. SECTION 1350, OF THE SARBANES-OXLEY ACT OF 2002 (1) (2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. Qizhou Wu Chief Executive Officer EX-32.1 4 v148706_ex32-1.htm] [CHINA AUTOMOTIVE SYSTEMS, INC. 18 U.S.C. SECTION 1350, OF THE SARBANES-OXLEY ACT OF 2002 (1) (2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. Jie Li Chief Financial Officer EX-32.2 5 v148706_ex32-2.htm]