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EXHIBIT 10.6

Summary of Purchase Agreement by and between Shenzhen BAK Battery Co., Ltd. (the
"Company") and Luhua Technology (Shenzhen) Co., Ltd. ("Luhua") dated as of April
14, 2004.

         The  contract  number for this  agreement  is  WI-040204-LHKJ/04.  This
agreement does not include an exact quantity to be purchased by the Company. The
quantity is to be determined at the time of each  purchase.  From September 2003
to September 2004, the purchase volume was RMB 74,046,804.72  Yuan. In the event
of breach of  contract,  the  breaching  party  must pay  damages  equal to five
percent (5%) of the total contract value during the term of the agreement.EXHIBIT 10.7

Summary of Purchase Agreement by and between Shenzhen BAK Battery Co., Ltd. (the
"Company") and Beijing CITIC Guoan Mengguli Electricity Supply Ltd. Co. dated as
of September 30, 2004.

         The contract number for this agreement is MGL040930-67.  This agreement
does not include an exact quantity to be purchased by the Company.  The quantity
is to be  determined  at the  time  of each  purchase.  From  September  2003 to
September 2004, the purchase volume was RMB 77,218,547.00  Yuan. In the event of
breach of contract,  the breaching party must pay damages equal to two-tenths of
one percent (0.2%) of the total contract value during the term of the agreement.EXHIBIT 10.8

Summary of Revolvable  Credit  Facilities  Agreement by and between Shenzhen BAK
Battery Co.,  Ltd.  (the  "Company")  and Longgang  Division,  Shenzhen  Branch,
Agricultural Bank of China  ("Agricultural  Bank of China") dated as of June 27,
2003.

         The contract number for this agreement is (Shenzhen  Longgang)  Nongyin
Xunshou Zi (2003) No.  02370001.  The contract term is June 27, 2003 to June 27,
2005, and the amount of credit to be extended by  Agricultural  Bank of China is
RMB  50,000,000  Yuan.  Remedies in the event of breach of contract  include the
adjustment of the credit  amount,  the  suspension of credit,  the imposition of
punitive  interest,  an  increase of the  guaranty  deposit and the call back of
principal and interest before maturity.  The agreement also requires the Company
to grant a mortgage of its land use right to Agricultural  Bank of China once it
is obtained.  If the mortgage is not granted to Agricultural  Bank of China, the
contract will be amended to have a term of one year.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.EXHIBIT 10.10

Summary of Comprehensive  Credit  Facilities  Agreement of Maximum Amount by and
between  Shenzhen BAK Battery Co., Ltd. (the  "Company") and Longgang  Division,
Shenzhen Branch, Agricultural Bank of China ("Agricultural Bank of China") dated
as of April 5, 2004.

         The contract  number for this  agreement is Shenzhen  Longgang  Nongyin
Shouzi No.  200402370001.  The contract  term is April 5, 2004 to April 5, 2005,
and the amount of credit to be  extended  by  Agricultural  Bank of China is RMB
200,000,000  Yuan.  Remedies  in the  event of breach of  contract  include  the
adjustment of the credit  amount,  the  suspension of credit,  the imposition of
punitive interest and overdue interest, an increase of guarantee deposit and the
call back of principal and interest before maturity. The agreement also provides
that the Company cannot make a distribution to its shareholders  before the loan
is paid in full.  It also provides that the Company must grant a mortgage to the
Agricultural  Bank of China  upon  obtaining  a  certificate  of  title  for Bak
Industrial Park.EXHIBIT 10.11

Summary of Guaranty  Contract of Maximum Amount by and among Longgang  Division,
Shenzhen  Branch,  Agricultural  Bank of  China,  Development  and  Construction
(Group)  Company  Limited by Shares  ("Changchun  Co") of  Changchun  Economic &
Technology  Development  District,  Jilin Provincial  Huaruan Technology Company
Limited by Shares  ("Huaruan  Company")  and  Xiangqian  Li dated as of April 5,
2004.

         Changchun Co, Huaruan  Company and Mr. Li signed a guaranty on April 5,
2004  in  relation  to  the  Comprehensive   Credit  Facilities  Agreement  (the
"Agreement") as summarized in Exhibit 10.10. As guarantor, Changchun Co, Huaruan
Company and Mr. Li undertake to assume  joint and several  responsibilities  for
the obligation of Shenzhen BAK Battery Co., Ltd. under the Agreement, subject to
the maximum security  amounts of RMB 100,000,000  Yuan, RMB 100,000,000 Yuan and
RMB 200,000,000  Yuan,  respectively.  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.EXHIBIT 10.12

Summary of Comprehensive Credit Facilities Agreement by and between Shenzhen BAK
Battery Co., Ltd. (the "Company") and Longgang  Division,  Shenzhen  Development
Bank ("Shenzhen Development Bank") dated as of April 1, 2004.

         The contract  number for this  agreement is Shenfa  Longgang  Daizi NO.
200403055.  The contract term is April 1, 2004 to April 1, 2005,  and the amount
of credit to be extended by Shenzhen  Development Bank is RMB 150,000,000  Yuan.
The  agreement  provides  that the documents and bills must be based on real and
genuine trading;  otherwise,  the credit is suspended immediately.  Furthermore,
the Company cannot  mortgage its new factory and dormitory  buildings to a third
party or the loan becomes mature immediately.EXHIBIT 10.13

Summary of Guaranty  Contract of Maximum Amount by and among Longgang  Division,
Shenzhen Development Bank,  Development and Construction (Group) Company Limited
by Shares of Changchun Economic & Technology  Development  District  ("Changchun
Co"), Jilin Provincial  Huaruan  Technology  Company Limited by Shares ("Huaruan
Company"),  Xiangqian  Li,  Yanlong  Zou,  Fenghua Li, Jimin Li,  Jiajun  Huang,
Baicheng Zhou, Jinghui Wang, Yongbin Han, Shuquan Zhang, Xinrong Yang, Yunfei Li
and Weiqiang Zhang dated as of April 1, 2004.

         Changchun  Co,  Huaruan  Company and 12  shareholders  of Shenzhen  BAK
Battery Co.,  Ltd.  (Xiangqian  Li,  Yanlong Zou,  Fenghua Li, Jimin Li,  Jiajun
Huang,  Baicheng Zhou, Jinghui Wang, Yongbing Han, Shuquan Zhang,  Xinrong Yang,
Yunfei Li, Weiqiang Zhang) (collectively,  the "Shareholders") signed a guaranty
on April 1, 2004 in relation to the Comprehensive  Credit  Facilities  Agreement
(the "Agreement") as summarized in Exhibit 10.12. In the guaranty, Changchun Co,
Huaruan  Company  and the  Shareholders  undertake  to assume  joint and several
liabilities  for the  obligations  of Shenzhen BAK Battery Co.,  Ltd.  under the
Agreement,  subject to the maximum security amounts of RMB 100,000,000 Yuan, RMB
50,000,000 Yuan and RMB 150,000,000 Yuan for each shareholder respectively.  The
guaranty has a term of April 1, 2004 to April 1, 2007.EXHIBIT 10.14

Summary of Comprehensive Credit Facilities Agreement by and between Shenzhen BAK
Battery Co., Ltd. (the "Company") and Longgang Division,  Shenzhen Branch, China
Minsheng Bank ("China Minsheng Bank") dated as of January 14, 2004.

         The  contract  number  for this  agreement  is Year 2003 Shen  Longgang
Zong'e Zi NO.010. The contract term is January 14, 2004 to January 14, 2005, and
the amount of credit to be extended  by China  Minsheng  Bank is RMB  30,000,000
Yuan.  Under the agreement  China  Minsheng Bank is entitled to adjust or cancel
the credit and demand  immediate  payment of the loan if the Company's  business
operations  deteriorate  severely,  the Company  loses its business  reputation,
there is a dispute  between the Company and third party  creditors or there is a
major adjustment of the state monetary policy.EXHIBIT 10.15

Summary of Guaranty  Contract of Maximum Amount by and among Longgang  Division,
Shenzhen  Branch,  China  Minsheng Bank,  Jilin  Provincial  Huaruan  Technology
Company  Limited by Shares  ("Huaruan  Company")  and  Xiangqian  Li dated as of
November 15, 2003.

         Huaruan Company and Xiangqian Li signed a guaranty on November 15, 2003
in relation to the Comprehensive  Credit Facilities  Agreement (the "Agreement")
as  summarized  in  Exhibit  10.14.  According  to  the  guaranty,  each  of the
guarantors undertakes to assume joint and several liabilities for the obligation
of Shenzhen BAK Battery Co., Ltd.  under the  Agreement,  subject to the maximum
security  amount of RMB  30,000,000  Yuan.  The  guaranty  has a term of two (2)
years, commencing from the maturity of each loan agreement under the Agreement.EXHIBIT 10.16

Summary of Loan  Agreement by and between  Shenzhen BAK Battery Co.,  Ltd.  (the
"Company") and Shenzhen Branch,  Industrial Bank ("Industrial Bank") dated as of
March 11, 2004.

         The contract  number for this agreement is Xingyin Shen Yewu Sanjian Zi
2004 No. 003.  The contract  term is March 11, 2004 to March 11,  2005,  and the
amount of credit to be extended by Industrial  Bank is RMB  20,000,000  Yuan. In
the event of breach of contract,  the agreement  provides for the  correction of
such breach of contract within a certain period of time,  preventing the Company
from drawing on the loan,  termination of the agreement,  the payment of overdue
and compound interest and the payment of litigation fees.

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