Document:

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                                                                    EXHIBIT 10.4

                          Trademark Transfer Agreement

Transferor: Duoyuan Clean Water Technology Industries (China) Co., Ltd.
Address: 5th Floor, No. 3 Jinyuan Road, Daxing Industrial Development Zone,
Beijing

Transferee: Duoyuan Investments Limited
Address: British Virgin Islands

Party A and Party B reach the following agreement regarding the transfer of
trademarks through consultation according to the principles of willingness and
equality, arms-length and good faith.

I.    Party A shall transfer the trademarks "Duoyuan" registered under its name
      in category 9, 1, 7, 32, 11, 40, 37, 36, 41, 39, numbered 688666, 733257,
      737352, 737422, 763189, 977956, 983904, 1949289, 1955465, 1953548
      respectively to Party B. Party A will transfer the abovementioned
      trademarks to Party B with no monetary consideration.

II.   Party A will assist Party B in connection with the registration of such
      trademark transfer, especially including providing all documents and
      formalities required for such trademark transfer. Party A guarantees the
      authenticity, validity and legality of such documents and formalities, and
      undertakes to deliver such documents and formalities to Party B after
      execution of this Agreement.

III.  Application for trademark transfer hereunder shall be submitted to
      Trademark Office of the State Administration for Industry and Commerce for
      approval. Certification for Approval of Trademark Transfer and Notice for
      Approval of Trademark Transfer shall be issued upon approval.

IV.   Party B shall bear all expenses incurred in connection with such trademark
      transfer.

V.    Both Party A and Party B undertake to abide by this Agreement, and shall
      bear corresponding responsibilities for breach of contract.

VI.   Any matter that is not covered herein shall be discussed and agreed upon
      between the parties separately.

VII.  This Agreement is made in two original copies with the same legal effect.
      Party A and Party B shall hold one copy each.

VIII. This Agreement shall become effective upon execution by both parties.

Party A: (Company Stamp)
Transferor: Duoyuan Clean Water Technology Industries (China) Co., Ltd.
By: Wenhua Guo
/s/ Wenhua Guo
----------------

December 1, 2007

Party B: (Company Stamp)
Transferee: Duoyuan Investments Limited
By: Wenhua Guo
/s/ Wenhua Guo
----------------

December 1, 2007<PAGE>

                                                                    EXHIBIT 10.5

                          Trademark Transfer Agreement

Transferor: Duoyuan Clean Water Technology Industries (China) Co., Ltd.
Address: 5th Floor, No. 3 Jinyuan Road, Daxing Industrial Development Zone,
Beijing

Transferee: Duoyuan Investments Limited
Address: British Virgin Islands

Party A and Party B reach the following agreement regarding the transfer of
trademarks through consultation according to the principles of willingness and
equality, arms-length and good faith.

I.    Party A shall transfer the pattern trademarks registered under its name in
      category 1, 33, 7, 11, 32, 37, 39, 40, 3, 27, numbered 782129, 784829,
      796442, 796548, 796902, 797884, 801857, 805852, 880276, 1944127
      respectively to Party B. Party A will transfer the abovementioned
      trademarks to Party B with no monetary consideration.

II.   Party A will assist Party B in connection with the registration of such
      trademark transfer, especially including providing all documents and
      formalities required for such trademark transfer. Party A guarantees the
      authenticity, validity and legality of such documents and formalities, and
      undertakes to deliver such documents and formalities to Party B after
      execution of this Agreement.

III.  Application for trademark transfer hereunder shall be submitted to
      Trademark Office of the State Administration for Industry and Commerce for
      approval. Certification for Approval of Trademark Transfer and Notice for
      Approval of Trademark Transfer shall be issued upon approval.

IV.   Party B shall bear all expenses incurred in connection with such trademark
      transfer.

V.    Both Party A and Party B undertake to abide by this Agreement, and shall
      bear corresponding responsibilities for breach of contract.

VI.   Any matter that is not covered herein shall be discussed and agreed upon
      between the parties separately.

VII.  This Agreement is made in two original copies with the same legal effect.
      Party A and Party B shall hold one copy each.

VIII. This Agreement shall become effective upon execution by both parties.

Party A: (Company Stamp)
Transferor: Duoyuan Clean Water Technology Industries (China) Co., Ltd.
By: Wenhua Guo
/s/ Wenhua Guo
----------------

December 1, 2007

Party B: (Company Stamp)
Transferee: Duoyuan Investments Limited
By: Wenhua Guo
/s/ Wenhua Guo
----------------

December 1, 2007<PAGE>

                                                                    EXHIBIT 10.6

                          Trademark Transfer Agreement

Transferor: Duoyuan Clean Water Technology Industries (China) Co., Ltd.
Address: 5th Floor, No. 3 Jinyuan Road, Daxing Industrial Development Zone,
Beijing

Transferee: Duoyuan Investments Limited
Address: British Virgin Islands

Party A and Party B reach the following agreement regarding the transfer of
trademarks through consultation according to the principles of willingness and
equality, arms-length and good faith.

I.    Party A shall transfer the trademark "MHW" registered under its name in
      category 11, numbered 1618029 to Party B. Party A will transfer the
      abovementioned trademarks to Party B with no monetary consideration.

II.   Party A will assist Party B in connection with the registration of such
      trademark transfer, especially including providing all documents and
      formalities required for such trademark transfer. Party A guarantees the
      authenticity, validity and legality of such documents and formalities, and
      undertakes to deliver such documents and formalities to Party B after
      execution of this Agreement.

III.  Application for trademark transfer hereunder shall be submitted to
      Trademark Office of the State Administration for Industry and Commerce for
      approval. Certification for Approval of Trademark Transfer and Notice for
      Approval of Trademark Transfer shall be issued upon approval.

IV.   Party B shall bear all expenses incurred in connection with such trademark
      transfer.

V.    Both Party A and Party B undertake to abide by this Agreement, and shall
      bear corresponding responsibilities for breach of contract.

VI.   Any matter that is not covered herein shall be discussed and agreed upon
      between the parties separately.

VII.  This Agreement is made in two original copies with the same legal effect.
      Party A and Party B shall hold one copy each.

VIII. This Agreement shall become effective upon execution by both parties.

Party A: (Company Stamp)
Transferor: Duoyuan Clean Water Technology Industries (China) Co., Ltd.
By: Wenhua Guo
/s/ Wenhua Guo
----------------

December 1, 2007

Party B: (Company Stamp)
Transferee: Duoyuan Investments Limited
By: Wenhua Guo
/s/ Wenhua Guo
----------------

December 1, 2007EX-10.7

Exhibit 10.7

Trademark Transfer Agreement

Transferor: Duoyuan Clean Water Technology Industries (China) Co., Ltd.

Address: 5th Floor, No. 3 Jinyuan Road, Daxing Industrial Development Zone, Beijing

Transferee: Duoyuan Investments Limited

Address: British Virgin Islands

Party A and Party B reach the following agreement regarding the transfer of trademarks through
consultation according to the principles of willingness and equality, arms-length and good faith.

	I.	 	Party A shall transfer the trademarks “Duoyuan” registered under its name in category 38, 36
and 40 numbered 5830463, 5830480 and 5830481 respectively to Party B. Party A will transfer
the abovementioned trademarks to Party B with no monetary consideration.
	 
	II.	 	Party A will assist Party B in connection with the registration of such trademark transfer, especially including providing
all documents and formalities required for such trademark transfer. Party A guarantees the authenticity, validity and
legality of such documents and formalities, and undertakes to deliver such documents and formalities to Party B after
execution of this Agreement.
	 
	III.	 	Application for trademark transfer hereunder shall be submitted to Trademark Office of the State Administration for
Industry and Commerce for approval. Certification for Approval of Trademark Transfer and Notice for Approval of Trademark
Transfer shall be issued upon approval.
	 
	IV.	 	Party B shall bear all expenses incurred in connection with such trademark transfer.
	 
	V.	 	Both Party A and Party B undertake to abide by this Agreement, and shall bear corresponding
responsibilities for breach of contract.
	 
	 	 	Party B shall pay liquidated damages to Party A for Party B’s breach of contract, and shall
compensate for all losses so incurred by Party A. The detailed terms shall be agreed upon
between the parties separately.
	 
	VI.	 	Any matter that is not covered herein shall be discussed and agreed upon between the parties separately.
	 
	VII.	 	This Agreement is made in two original copies with the same legal effect. Party A and Party B shall hold one copy each.
	 
	VIII.	 	This Agreement shall become effective upon execution by both parties.

Party A: (Company Stamp)

Transferor: Duoyuan Clean Water Technology Industries (China) Co., Ltd.

By: Wenhua Guo

/s/ Wenhua Guo

 

December 1, 2007

Party B: (Company Stamp)

Transferee: Duoyuan Investments Limited

By: Wenhua Guo

/s/ Wenhua Guo

 

December 1, 2007

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