Exhibit 4.21
English Translation
   2009 Jing 19031




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Title
    
    
    
    PageChapter 1
    
    Amount, Purpose and Term of the Loan
    
    
    1Chapter 2
    
    Interest Rate and Interest Calculation and Collection
    
    
    2Chapter 3
    
    Drawdown of the Loan
    
    
    3Chapter 4
    
    Representations and Covenants of the Borrower
    
    
    3Chapter 5
    
    Participation of Agent
    
    
    6Chapter 6
    
    Repayment of the Loan
    
    
    6Chapter 7
    
    Events of Default and Handling
    
    
    7Chapter 8
    
    Amendment to Contract
    
    
    9Chapter 9
    
    Set-off, Assignment and Waiver
    
    
    10Chapter 10
    
    Governing Law and Dispute Resolution
    
    
    10Chapter 11
    
    Miscellaneous
    
    
    10




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2009 Jing 19031 Contract April 16 2009
 Borrower
 Legal Representative:
    
    Qiang DingAddress:
    
    3055 Fuxingzhong Road, High-tech Industrial Development Zone Baoding, HeibeiPost Code:
    
    071051Telephone:
    
    0312-8929705Bank:
    
    Baoding Tianwei West Road Sub-branch, China Construction Bank
CorporationAccount Number:
    
    13001665608050500212
 Lender
 Legal Representative:
    
    Ruogu LiAddress:
    
    30 Fuxingmennei Street, Xicheng District, BeijingPost Code:
    
    100031Telephone:
    
    010-64099532Facsimile:
    
    010-64099534
  Beijing Branch Beijing Branch
 Contract Law of the Peoples Republic of China
  ̈ ü
 Chapter 1 Amount, Purpose and Term of the Loan
 Article 1
 1




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¥700 Seven Hundred Million Loan
 Article 2 Administrative Rules of The Export-Import Bank of China on the Export
Sellers Credit for High-Tech Products
 Article 3 Term
 Chapter 2 Interest Rate and Interest Calculation and Collection
 Article 4 three point five percent (3.5%)
 Article 5
 Article 6
 Article 7
 Article 8 st
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provided however
 Chapter 3 Drawdown of the Loan
 Article 9
  Article 10
   
 
 
 Article 11
 Chapter 4 Representations and Covenants of the Borrower
 Article 12
 1.
    
    It is an enterprise legal person duly established and validly existing in
accordance with law with independent legal person status;2.
    
    It has full qualification and right to enter into and perform its obligations
under this Contract;
 3




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3.
    
    It has read seriously and fully understood and accepted the content of this
Contract, and it has voluntarily agreed to execute and perform this Contract and all
of its expressions of intent are true;4.
    
    The execution of this Contract and performance of its obligations hereunder
by the Borrower do not conflict with any other agreement executed by it or its
articles of association;5.
    
    The execution of this Contract by the Borrower has been authorized by all
necessary corporate action. This Contract has been duly executed by the Borrowers
duly authorized legal representative and is binding on it.6.
    
    All documents, materials, statements and certificates provided by it to the
Lender for the Loan hereunder are true, complete, accurate and valid;7.
    
    The Borrower has not disguised any of the following events:
 (1)
    
    Material violation by the Borrower of any law or regulation
by or related to the Borrower, or any claim being contested against or
related to the Borrower;(2)
    
    Material breach by the Borrower of any contract with any
other creditor;(3)
    
    Material obligation borne by the Borrower or any mortgage
or pledge provided to a third party by the Borrower;(4)
    
    Pending major lawsuit or arbitration procedure related to
the Borrower;(5)
    
    Division, consolidation, merger, being merged,
restructuring, reorganization or being reorganized to be a joint stock
company, or any disposal of its title by way of leasing, contracting,
association or trusteeship related to the Borrower; and(6)
    
    Any other event which may have a material adverse effect on
the financial status of the Borrower and its debt repayment ability.
 8.
    
    The Borrower hereby confirms that it is fully aware that Beijing
Branch of the Export-Import Bank of China has been authorized by the Lender to be
responsible for the disbursement and recovery of, and all matters
 4




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relating to the management of, the Loan. The Borrower and the Lender shall be bound directly by this
Contract.
 Article 13
 1.
    
    it shall provide the Lender with the latest financial statements on a quarterly
basis, and the audited financial statements of last year by the end of April of each
year; upon demand by the Lender from time to time, it shall provide documents and
materials such as reports and statements in relation to (including, but not limited to)
its operation and financial condition, and shall be responsible for the truthfulness,
accuracy and validity thereof;2.
    
    It shall submit to the Lender materials regarding the use of the Loan hereunder,
export of the Products and other relevant materials on a quarterly basis;3.
    
    It shall accept the credit investigation and supervision by the Lender and
provide full assistance and cooperation;4.
    
    It will open a bank account (the Designated Account) designated by the Lender
for the receipt and payment of the funds for the Products, and the funds in such account
shall be used exclusively for such purpose.5.
    
    Prior to the full payment of the principal of and interest on the Loan and other
sums payable hereunder, it shall obtain the Lenders prior written consent before any
decrease of its registered capital, change in material title, adjustment of its
operation mode, including, but not limited to:
 (i)
    
    entering into any equity or cooperative joint venture with
any foreign investor or any partner from Hong Kong, Macau or Taiwan;(ii)
    
    close-down, suspension of production, production switch,
division, consolidation, merger or being merged;(iii)
    
    restructuring, reorganization or being reorganized to be a
joint stock company;(iv)
    
    any equity participation or investment in any joint stock
company or limited liability company in the form of fixed assets (such as
buildings, machines and equipment) or intangible assets (such as trademarks,
patents, know-how and land use right);
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(v)
    
    any disposal of its title by way of leasing, contracting,
association or trusteeship.
 6.
    
    It shall obtain the Lenders consent before providing any debt guarantee,
mortgage, pledge or other form of security which would have an effect on the
creditors right to payment of the Lender;7.
    
    It shall handle the relevant settlement procedure hereunder with the bank
designated by the Lender;8.
    
    It shall not distribute any dividend to its shareholders in any form in the
event of any failure to pay any principal of or interest on the Loan or other sum
payable hereunder when due;9.
    
    In the event that any event of default set forth in Chapter 8 of this
Contract occurs or is likely to occur, it shall immediately notify the Lender within
three (3) days after becoming aware of such occurrence, and take reasonable and timely
remedial actions against such event.
 Chapter 5 Participation of Agent
 Article 14 Baoding Branch of the Industrial and Commercial Bank of China Agent Entrustment Agreement 2009 Jing 00212
  Article 15
 Chapter 6 Repayment of the Loan
 Article 16
 6




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provided however
  Article 17
 Article 18
 Article 19
 Article 20
 Chapter 7 Events of Default and Handling
 Article 21
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1.
    
    The Borrower fails to pay any principal or interest when due and payable
pursuant to provisions of this Contract;2.
    
    The Borrower fails to use the Loan for the purpose set forth herein;3.
    
    The Borrower fails to draw the Loan as provided herein;4.
    
    The Borrower is in breach of the relevant provisions of the Entrustment
Agreement with respect to the Borrower;5.
    
    Any representation made by the Borrower under this Contract or any
representation made by the guarantor under the relevant guarantee contract proves to
be incorrect or misleading;6.
    
    The Borrower or the guarantor is in breach of any covenant or warrant made in
this Contract or the relevant guarantee contract;7.
    
    The Borrower is in material breach of any other contract to which it is a
party;8.
    
    The operation or financial status of the Borrower or the guarantor materially
deteriorates;9.
    
    Any collateral relating to the Loan hereunder depreciates or is destroyed or
lost;10.
    
    No repayment arrangement or debt restructuring satisfactory to the Lender has
been made in case of any merger, division or joint stock system reform of the Borrower
or the guarantor;11.
    
    The Borrower or the guarantor is or becomes bankrupt, dissolved, closed down
or cancelled;12.
    
    The Borrower fails to notify the Lender of the following events promptly:
 (i)
    
    any material change in the export of its Products or
failure to realize its Products export plan in whole or in part;(ii)
    
    any amendment to its articles of association or any
substantial change in its business activities;(iii)
    
    any material amendment to its accounting principles;
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(iv)
    
    any material change in the financial, economic or other
status of it or any of its subsidiaries or its parent (including any
litigation, arbitration or administrative proceeding involving the Borrower which may
have a material adverse affect on its financial status or its ability to
perform its obligations in accordance with this Contract).
 13.
    
    The Borrower is breach of any other provision of this Contract.
 Article 22
 (i)
    
    request the Borrower to cure such breach within a set period of time;(ii)
    
    cancel the amount of the Loan unutilized by the Borrower;(iii)
    
    declare all outstanding Loan to be immediately due and require the Borrower
to immediately repay all outstanding principal of and interest on the Loan and other
sums payable;(iv)
    
    require the Borrower to procure additional or replacement guarantee(s) or
collateral;(v)
    
    deduct directly any amount not paid by the Borrower when due hereunder
(including, but not limited to, the principal of and interest on the Loan) from any
account in any currency maintained by the Borrower with any branch in or out of China
of the Agent or any other bank; or(vi)
    
    declare to exercise or realize any right under the relevant guarantee
relating to the Loan.
 Chapter 8 Amendment to Contract
 Article 23
 Article 24
 9




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Chapter 9 Set-off, Assignment and Waiver
 Article 25
 Article 26
 Article 27
 Chapter 10 Governing Law and Dispute Resolution
 Article 28
 Article 29
 Chapter 11 Miscellaneous
 Article 30
 Article 31
 Article 32
 The parties agree that, in addition to the interest on the Loan, a
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management fee representing 1.5% of the Loan amount shall be charged to the Borrower for this
Loan, and collected quarterly together with the interest on the Loan.
 Article 33
 Article 34 two
   /s/ Zongwei Li
  /s/ Jianhua Xu
 April 16, 2009
 77 Beiheyan Street, Dongcheng District, Beijing
 11