Exhibit 10.41

                           SALES CONTRACT OF LIMESTONE
                           ---------------------------


This  contract  is  made  and  entered  into  by  and  between   Shandong  Haize
Nanomaterials  Co.,  Ltd  (hereinafter  referred  to as Party A) and Yujie Stone
Block  Plant,  Niuquan  Township,  Laicheng  District,  Laiwu City  (hereinafter
referred to as Party B) after  friendly  negotiation  based on the  principle of
equality and mutual benefit on March 27, 2005. The specific terms and conditions
are stipulated as follow:

I.    The Quality Standards of the Supplied Limestone
      1.    The quality of the limestone supplied by Party B to Party A shall be
            determined  by the  laboratory  test  conducted  by Party A  (should
            disputes arising from the tests,  governmental technical sections or
            agencies shall be consulted).

      CaCO3>98%; SiO2<1.5%;
      MgO <0.7%; Fe2O3+Al2O3 <0.4%, Mn <0.0045%,  Compressive
      Strength >117.68 Mpa.

      2.    After comprehensive  sampling, the sample shall be calcinated in the
            lab,  then gone through the process of slaking and sieved  through a
            250-um  standard  sieve,  then the tested  whiteness  should be: =92
            degrees.
      3.    The particle diameter of the limestone shall be ranging from 80mm to
            200mm (free from any foreign  matters such as stone crust,  sand and
            earth etc.).
II.   Period of Validity  of the  Contract:  commencing  from March 27, 2005 and
      ending on March 27, 2006.
III.  Time, Quantity and Method of Supply
      1.    Party B shall, in accordance with the  requirements of supplying the
            goods,  supply 1,000 tons of acceptable  dressed stones every month.
            The specific time shall be decided by the needs of Party A, and they
            shall be supplied at any time when Party A needs them.
      2.    Party B  shall  be  responsible  for all  the  work  of  mining  and
            processing,  and it shall be fully  responsible  for the  costs  and
            other relevant expenses.
      3.    Party A shall check and accept the goods in the materials factory of
            Party A, and the quantity  shall be based on the weighing  result of

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            Party  A. If the  goods  fails  to meet the  standards  of  particle
            diameter or the test result of the samples fails to meet the quality
            standards,  Party A has the  right to  reject  the goods and Party B
            shall be informed within 24 hours,  and Party B shall dispose of the
            dressed stones on its own.
      4.    The vehicles of Party B loaded with the goods have to be unloaded as
            required  by Party A when the  unloading  is being  done  within the
            premises of Party A, and Party B shall  consciously abide by all the
            rules and  regulations of Party A.  Otherwise,  if damages or losses
            arises   from   any   misbehavior,   Party  B  shall   assume   full
            responsibilities.
IV.   The Price and Mode of Payment
      1.    Party B shall  deliver the  limestone  to the  materials  factory of
            Party A in accordance  with the  requirements  of Party A. The goods
            shall be accepted  by Party A when they are  unloaded to the ground.
            The price is: RMB 46 (forty-six) yuan per ton (taxes included);
      2.
      3.    Party B shall  be paid  for the  delivered  limestone  on a  monthly
            basis, and Party B shall provide a full-amount-based value-added tax
            invoice; Otherwise, the payment shall not be paid.
V.       Party B shall supply the goods on time and in full quantity in
         accordance with the required standards and quantity of Party A;
         otherwise, Party A has the right to reject the goods and refuse to pay
         the payment for goods; if normal production and operation of Party A
         shall be affected, Party B shall assume all the economic losses
         resulting from its fault.
VI.   Party A shall  accept  the  goods  and pay the  payment  for goods on time
      pursuant  to the  stipulations  set  forth  in  this  contract.  As to the
      acceptable  dressed  stones  supplied by Party B, Party A shall  provide a
      goods yard and accept the goods,  and shall not refuse to accept the goods
      or delay the payment for goods  without  good reason;  otherwise,  Party A
      shall pay Party B interests for the overdue payment  amounting to the same
      amount as a bank is supposed to pay.
VII.  Other Clause:  Starting from March 27, 2005, Party B shall supply at least
      thirty (30) tons per day.
VIII. Breach Liability
      1.    After this contract becomes effective, any party shall not terminate
            it  without  consulting  the other  party.  Otherwise,  the party in
            breach shall pay the other party penalty in the amount of RMB 10,000
            yuan, and shall  compensate the other party for the actual  economic
            losses resulting from the breach of the contract.
      2.    If Party B shall be prevented from  performing  this contract due to
            factors  beyond  its  own  control  such  as the  exhaustion  of the
            limestone  resources,  Party B shall  inform Party A in written form

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            one month in advance for Party A's confirmation; otherwise, it shall
            constitute a breach of the contract.
IX.   This Contract shall become  effective upon the signatures and seals of the
      two parties.
X.    Anything not covered in this contract  will be friendly  discussed by both
      parties. In case no settlement to disputes can be reached through friendly
      negotiation,  the disputes shall be submitted to the People's Court of the
      place where this contract is signed.
XI.   This Contract is in quadruplicate, and each party shall hold two copies.

PARTY A:                                 PARTY B:
Shandong Haize Nanomaterials Co.,        Yujie Stone Block Plant, Niuquan
Ltd                                      Township, Laicheng District, Laiwu City

 /s/ Lu Zhilei                            /s/ Zhang Yujie
---------------------------------------  ---------------------------------------
AUTHORIZED SIGNATURE                     AUTHORIZED SIGNATURE

Signed at: Shandong Haize Nanomaterials Co., Ltd
          ---------------------------------------

Date: March 27, 2005
     ----------------














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                      Shandong Haize Nanomaterials Co., Ltd

          Public (Negotiated) Bidding Invitation on Limestone Purchase

Yujie Stone Block Plant, Niuquan Township, Laicheng District, Laiwu City:

In the spirit of openness,  impartiality and fairness,  this Company is going to
invite public  bidding on the "Purchase of Limestone".  Hereby,  your company is
invited to submit a tender.

1.    Company:  Shandong Haize  Nanomaterials  Co., Ltd (former Shandong Shengda
      Nanomaterials Co., Ltd)
2.    Mode of Bidding: Selected Bidding
3.    Bidding Content: Limestone
4.    Quality Standards: See the attachment.
5.    For more on the bidding, please contact:

      Company Name: Shandong Haize Nanomaterials Co., Ltd
      Contact Person: Lu Zhilei
      Tel: 0538-8560678
      Fax: 0538-8560687
      Address: Youth Development Zone, Daiyue District, Tai'an City
      Post Code: 271000


                      Shandong Haize Nanomaterials Co., Ltd

                                     (Seal)

                                 March 23, 2005











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                     Notification for the Successful Bidder
                     --------------------------------------

Yujie Stone Block Plant, Niuquan Township, Laicheng District, Laiwu City:

Your company  entered the public bidding of limestone  organized by this Company
on March 26, 2005.  After the Board of Review of the Bidding of this Company has
made comprehensive assessment of the quoted price of all bidders and taken other
matters into consideration, it has been decided that your company has become the
successful  bidder  with a quoted  price of RMB 46 yuan per ton  (transportation
expenses included) provided the goods shall meet the quality standards.

This  is a  confirmation.  It is  hoped  that  your  company  shall  come to the
Conference Room (Second Floor) in Shandong Haize  Nanomaterials Co., Ltd to sign
the business contract within two days after receiving this notification.

Thanks for your cooperation!



                      Shandong Haize Nanomaterials Co., Ltd

                                     (Seal)

                                 March 26, 2005














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                           Letter of Bidding Intention

To: Shandong Haize Nanomaterials Co., Ltd
    -------------------------------------

This Company has received the  invitation  for bidding the purchase of limestone
of your company,  and it is decided that this Company shall  participate  in the
public bidding.

Bidding Product: Laiwu Niuquan Township Limestone

Price:      RMB 46.00 yuan per ton (transportation  expenses included),  and the
            validity of this quoted price is a full year.

Mode of Payment:  In  principle,  the mode of payment shall be cash on delivery;
                  it can also be paid on a rolling basis for each month. But the
                  longest  term for delaying  payment  shall not be more than 35
                  days.





    Yujie Stone Block Plant, Niuquan Township, Laicheng District, Laiwu City

                                 March 25, 2005














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                         Quality Standards for Limestone

           CaCO3>98%;
           SiO2<1.5%;
           MgO <0.7%;
           Fe2O3+Al2O3 <0.4%,
           Mn <0.0045%,
           Compressive Strength >117.68 Mpa
           Whiteness: = 92 degrees
           Diameter Range: 80mm~200mm