Document:

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~200mmExhibit 10.42

                   Employment Agreement of the General Manager

                 Party A: Shandong Haize Nanomaterials Co., Ltd

                               Party B: Ma Zhaowei
                                       ------------

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Party A: Shandong Haize Nanomaterials Co., Ltd
Party B: Ma Zhaowei
        ------------

-------------------- ------------- ------------- ----------- -------- ----------
Name                 Ma            Sex           Male        Date     June, 1966
                     Zhaowei                                 of
                                                             Birth
-------------------- ------------- ------------- ----------- -------- ----------
Education            Associate     Health        Healthy     Tel
                     Degree        Condition
-------------------- ------------- ------------- ----------- -------- ----------
Professional Title                 ID Number     370920196608160017
-------------------- ------------- ------------- -------------------------------
Strong Points        An Expert on Chemical Engineering
-------------------- -----------------------------------------------------------
Native Place         Lodging House in Xintai City Enameled Wire Factory
-------------------- -----------------------------------------------------------

According to the  employer-and-employee-choice  principle, Party A is willing to
offer Party B the position of General Manager,  and Party B is willing to accept
such a position and will do a good job in the  management of the  production and
operation of the Nanomaterials Company. After negotiation,  the two parties have
reached the following provisions for the two parties to implement:

I.    The parties  agree that the term of this  agreement  shall be three years,
      commencing  from this  _first_  day of  _January_,  2005 and ending on the
      _first_ day of _January_ , _2008 .

II.   Remuneration

The main indicator for performance  check of Party B conducted by Party A is the
profit realized in a year.

(1) The basic annual salary of Party B is RMB 60,000 yuan (sixty thousand yuan).
The performance  evaluation will be based on the annual  "Performance  Objective
Responsibility  Contract".  If the operating  profit target has been realized by
80% and there is no major safety  accident,  Party B is entitled to be given the
basic annual salary.  Starting from 80%, one added or reduced percentage will be
taken into  account in paying  Party B the salary which will be computed in this
way: Party B's salary = Basic Annual Salary iA(1iA1%)
(2) 70% of Party  B's  salary  will be paid  along  with the  salaries  of other
employees, and the remaining 30% will be paid off as a single payment at the end
of each  year  after  the  Financial  Department  of  Party A has  finished  the
performance evaluation of Party B and the payment will be based on the result of
performance evaluation.
(3) Party B can only  receive the salary  after the amount has been  approved by

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the  legal  representative  of  Party  A with  his or her  signature.  III.  The
Responsibilities, Powers and Benefit (salary) of Party B

Responsibilities:  Party B is authorized  by Party A to, in accordance  with the
extent of power and the managerial system of this company,  do a good job in the
management of production and operation.

Obligations:

1.    Party B shall  unconditionally  and  consciously  abide by the  managerial
      system of Party A.
2.    To take  the full  responsibility  of the  management  of  production  and
      operation of this company;  to strengthen  the internal  management of the
      company;  to  optimize  the  process  flows;  to  effectively  reduce  the
      production costs; to strictly control energy  consumption;  to ensure work
      safety;  to  guarantee  the  quality  of  products;  to make sure that the
      up-to-standard  rate of product  quality shall be 100%. If, some goods are
      returned or the payment for goods is  withheld,  due to quality  problems,
      Party B shall assume all  responsibilities  for all losses arising from it
      (Party  B  has  the  rights  to  hold   production   personnel   to  their
      responsibilities, but it will not affect the responsibility of bearing the
      losses); to maximize the profit of the enterprise.
3.    Party B should lead and encourage  the employees to make bold  innovations
      and do bold experiments to improve the quality of products.
4.    Party B is responsible for the whole management of production; the process
      engineering  should be strictly  followed  and work  discipline  should be
      emphasized.
5.    Party B should carry forward the corporate culture of "conducting  oneself
      with more  integrity and doing one's job more wisely".  Efforts  should be
      made to guarantee that every employee has really understood the meaning of
      it. In addition to the weekly two  meetings  of each  workshop  section as
      prescribed by this Company, employees should be trained on a regular basis
      and the  quality of  employees  should be improved in an all around way. A
      batch of managerial talents having both ability and moral integrity should
      be cultivated.
6.    If Party B leads and encourages the employees to make bold innovations and
      do bold  experiments  and added  value is brought to the  enterprise  as a
      result of this,  the added value will be  distributed  between Party A and
      Party B according to the proportion of 7:3. And the intellectual  property
      rights will belong to Party A.
7.    During the term of engagement,  Party B will implement the  responsibility
      system for production cost, save energy and reduce  consumption to get the
      production  costs controlled in the prescribed  range. An  objective-based
      performance   evaluation  of  each  workshop  section  will  be  conducted

<PAGE>

      (specific measures will be worked out by the two parties).
8.    During the term, Party B shall  strengthen the quality control  management
      to ensure the up-to-standard rate of product quality shall reach 100%.
9.    During the term,  Party B should  make sure work  safety is  observed  and
      there is no major  safety  accident and the rate of incidence of wound and
      skin cuts will be below 5/oo.
IV.   Responsibilities and Obligations of the Two Parties
      1.    During the term of engagement of Party B, the salary shall be cashed
            in according to the result of  performance  evaluation at the end of
            year; Party A shall not deduct Party B's salary without good reason.
      2.    Party B shall, as much as possible,  provide  convenient  conditions
            for Party B's work.
      3.    During  the term of  engagement,  Party B shall not  accept any work
            offered by any other  party;  otherwise,  Party B's salary  would be
            deducted  and  both  Party  B and  the  third  party  would  be held
            responsible for legal liabilities.
      4.    During the term of  engagement,  should Party B suffer from personal
            injuries or death while being on duty,  and the cause is determined,
            the matter will be handled in accordance with relevant  stipulations
            in the Labor Law. If any dispute arises, it will be submitted to the
            court for settlement.
      5.    Party B should take the lead to  consciously  abide by all rules and
            regulations of Party A.
      6.    Attendance:  The system of check on work attendance shall be applied
            to Party B and Party B should abide by the work  discipline  of this
            company, and Party B's monthly working days will be 27.
      7.    The communication  fee will be examined and reimbursed  according to
            the limit set for each month. 8. Principle of  confidentiality:  The
            provisions in the Confidentiality Agreement will be observed by both
            parties.  9.  Party B should be held  responsible  for all  economic
            damages  suffered by Party A as a result of Party B's dereliction of
            duty or breach of duty.
V.    Breach  Liability:  During  the term of  engagement,  any party  shall not
      terminate the contract without the consent of the other party;  otherwise,
      the  breach  party  should  compensate  the other  party for the  economic
      damages suffered by the other party.
VI.   The  attachments  and exhibits to the contract shall be equally binding on
      both parties.
VII.  Should  disputes  arise during the  performing of this  contract,  the two
      parties  shall  settle  them  through  negotiations  on their own; if they
      cannot be settled  through  negotiations,  a lawsuit  can be lodged to the
      court where the party concerned resides.

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Party A: Shandong Haize Nanomaterials Co., Ltd (official stamp)

         /s/ Jia Hongping
        -----------------

Party B: /s/ Ma Zhaowei  (signature)
        -----------------

Date: January 1, 2005

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