EXHIBIT 10.9


Summary of Guaranty Contract of Maximum Amount by and between Longgang Division,
Shenzhen  Branch,  Agricultural  Bank of  China  and  Jilin  Provincial  Huaruan
Technology  Company Limited by Shares  ("Huaruan  Company") dated as of June 27,
2003.

         Huaruan  Company  signed a guaranty on June 27, 2003 in relation to the
Revolvable  Credit  Facilities  Agreement  (the  "Agreement")  as  summarized in
Exhibit  10.8.  As  guarantor,  Huaruan  Company  undertakes to assume joint and
several  responsibilities  for the  obligation of Shenzhen BAK Battery Co., Ltd.
under the Agreement,  subject to the maximum  security  amount of RMB 50,000,000
Yuan. The guaranty has a term of two (2) years,  commencing from the maturity of
the obligations of Shenzhen BAK Battery Co., Ltd. under the Agreement.