SECTION 1350 CERTIFICATION (CFO)

                                                                    Exhibit 32.2

                         CHINA AUTOMOTIVE SYSTEMS, INC.

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of China Automotive Systems, Inc. (the
"Company") on Form 10-Q for the period ended March 31, 2005, as filed with the
Securities and Exchange Commission on the date hereof (the "Report"), I, Daming
Hu, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C.
Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of
2002, that:

      (1)   The Report fully complies with the requirements of Section 13(a) or
            15(d) of the Securities Exchange Act of 1934; and

      (2)   The information contained in the Report fairly presents, in all
            material respects, the financial condition and results of operations
            of the Company.

Date: May 5, 2005

                                                   /s/ Daming Hu
                                                   -----------------------------
                                                   Daming Hu
                                                   Chief Financial Officer

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