SINOPEC BEIJING YANHUA PETROCHEMICAL COMPANY LIMITED

                         NOTES TO FINANCIAL STATEMENTS
                  (All amounts in thousands, except share data

                                                                    Exhibit 99.1

                                  CERTIFICATION

I, Du Guosheng, certify that this annual report on Form 20-F of Sinopec Beijing
Yanhua Petrochemical Company Limited fully complies with the requirements of
Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and the
information contained in this annual report fairly presents, in all material
respects, the financial condition and results of operation of Sinopec Beijing
Yanhua Petrochemical Company Limited.

Date: June 26, 2003                                 /s/ DU GUOSHENG
                                                    ---------------------
                                                    Du Guosheng, Chairman

NOTICE:

This certification is furnished pursuant to Section 906 of the Sarbanes-Oxley
Act and shall not be deemed "filed" for purposes of Section 18 of the Securities
Exchange Act of 1934, as amended.

A signed original of this written statement required by Section 906 has been
provided to Sinopec Beijing Yanhua Petrochemical Company Limited and will be
retained by Sinopec Beijing Yanhua Petrochemical Company Limited and furnished
to the Securities and Exchange Commission or its staff upon request.