Exhibit 4.151
 Fu 0621608
 The Contract of
House Tenancy of Shenzhen City




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Notice of Registration (Filing) of House Tenancy Contract
 1.
    
    Documents required for registration (filing) of house tenancy contract:
 1.1
    
    The real estate title deeds or other certificates of property rights (usage right)
(The original shall be presented by the applicants and the copy shall be preserved. by
the department in charge of contract registration.);
 1.2
    
    The certificates of identity or legal personality of the lessor and the lessee,
including:
 1.2.1
    
    Entity
   1.2.2
    
    Individual
  1.3
    
    The certificate of the agents identity and the letter of authorization if the
landlord entrusts an agent for management; the certificate of the agents identity and
the letter of authorization if the landlord entrusts an agent to arrange for tenancy.
 1.4
    
    The certificate that all the co-owners agree on the house tenancy and the letter of
authorization if the premises are co-owned.
 1.5
    
    The leasing contract.
  2.
    
    Directions for Filing of House Tenancy Contract:
 Regulations
of Shenzhen Special Economic Zone on House Tenancy




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Tenancy Contract
 
  /
 /
 /
 /
 / /
 /
 
 
 
 
 
 
 
 
 Contract law of the Peoples Republic of China, Law of the Peoples Republic of
China on Urban Real Estate Administration Regulations of Shenzhen Special Economic Zone on House
Tenancy Decisions of the Standing Committee of Shenzhen
Municipal Peoples Congress on Strengthening the Safety Obligation of House Tenancy




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Article 1
 10th Floor, Building 4 Middle, SEG Science & Tech Park, North Huaqiang Rd., Fukuda District, Shenzhen / 1927.38 12
 Shenzhen Zhiguangda Industrial Development Co., Ltd.
 SHENFANGDIZI No. 3000226940
 Article 2
 73.00 SEVENTY THREE RENMINBI YUAN 140,698.74 ONE HUNDRED AND FORTY THOUSAND SIX HUNDRED AND
NINTY EIGHT RENMINBI YUAN AND SEVENTY FOUR CENTS
 Article 3
 / / /
 Article 4
  þ
    
    Before the
5th day each month;o
    
    Before the / day of the / month of each quarter;o
    
    Before the / day of the / month of each half year;o
    
    Before the / day of the / month each year;
 þ o
 Article 5
 May 1st, 2011 April 30th, 2014
  Article 6
 Factory Building




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Article 7
 /
  Article 8
  Article 9
 281,397.48 TWO HUNDRED AND EIGHTY ONE THOUSAND THREE
HUNDRED AND NINTY SEVEN RENMINBI YUAN AND FORTY EIGHT CENTS TWO
   1.
    
    The contract expires with the fire safety agreement is enforced conscientiously;
 2.
    
    All the relevant expenses liable to Party B are fully paid and the receipt of security
deposit is provided by Party B;
 3.
    
    The Premises and attached facilities are not damaged artificially.
 o
    
    To satisfy one of the circumstances mentioned above.þ
    
    To satisfy all the circumstances mentioned above
 þ o
 The security deposit shall be returned to Party
B within 15 working days after Party B fully paid all the relevant expenses liable to Party B and
the receipts required by Party A are brought by the Lessee or its Legal Representatives.
  1.
    
    The fire safety agreement is enforced properly by Party B or the contract is terminated
by Party B or results from Party Bs illegal deeds;2.
    
    Party B fails to make fully payment or provide the receipt of security deposit;3.
    
    The Premises or attached facilities are damaged or lost artificially and Party B refuses
to repair or make compensation.




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Article 10
 / /
 Article 11
  Article 12
  Article 13
 THREE
   Article 14
  Article 15
 o
    
    Party B could sublease the Premises or any part thereof to a third
party during the lease term and register in the department in
charge of house tenancy. The subleased term shall not exceed the
lease term in this contract.o
    
    During the lease term Party B could register in the department in
charge of house tenancy with the certificate of Party As written
consent to subleasing. The subleased term shall not exceed the
lease term in this contract.þ
    
    Party B shall not sublease the Premises or any part of it to a
third party during the lease term.
 þ o




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Article 16
 THREE
  Article 17
  1.
    
    The contract could not be performed due to force majeure;2.
    
    The Premises are expropriated, taken back or dismantled by government;3.
    
    Both parties reach an agreement.
 Article 18
  o
    
    1. Request Party B to restore the Premises to the original condition;þ
    
    2. Claim damage compensation against Party B;þ
    
    3. Refuse to return the security deposit;o
    
    4. Claim a penalty of RMB / Yuan (capital form of the number: /)
against Party B.
 þ o
 1.
    
    Party B fails to pay the rental on schedule for more than / days (/ month);
 2.
    
    The damages caused to Party A by delayed payment of the rental reach more than RMB
70,349.37 Yuan;
 3.
    
    Party B uses the Premises to conduct illegal activities and damages the interests of third
parties or the public;
 4.
    
    Party B changes the usage or structure of the Premises without consent from Party A;
 5.
    
    Party B fails to perform its obligation of repairing or paying for the repair in violation of
Article 14 and causes serious damages to the Premises and facilities;
 6.
    
    Party B decorates the Premises without consent from Party A and approval from relevant
authorities;
 7.
    
    Party B subleases the Premises to a third party without consent from Party A.




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Article 19
  þ
    
    1. Claim damage compensation against Party A;o
    
    2. Demand twice of the security deposit against Party A;þ
    
    3. Claim a penalty of RMB 140,698.74 Yuan (capital form of the number: ONE HUNDRED
AND FORTY THOUSAND SIX HUNDRED AND NINTY EIGHT RENMINBI YUAN AND SEVENTY FOUR CENTS) against
Party A.
 þ o
 30 /
     Article 20
 ONE




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Article 21
 THREE
  Article 22
 the Letter of Responsibility for Safety Management of House Tenancy of
Shenzhen City.
 Article 23
   Article 24
  þ
    
    Shenzhen Arbitration Commission;o
    
    CITAC, Shenzhen Sub-Commission;o
    
    Local Peoples Court
 þ o




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Article 25
  3rd Floor, Building 4 Middle, SEG Science & Tech Park, North Huaqiang Rd., Fukuda District, Shenzhen
 10th Floor, Building 4 Middle, SEG Science & Tech Park, North Huaqiang Rd., Fukuda District, Shenzhen
   Article 26
   Article 27
  Article 28
 duplicate ONE ONE / /
 Party A (sign/seal):
Legal Representative:
Tel:
Account No:
Entrusted Representative (sign/seal):Party B (sign/seal):
Legal Representative:
Tel:
Account No:
Entrusted Representative (sign/seal):Registrar (sign/seal):
Contract Registration (filing) Department (sign/seal):




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Special Notice
      o




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Safety Management of House Tenancy of Shenzhen City
 Letter of Responsibility
 Made by Shenzhen Floating Population and House Tenancy Management Office




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Decisions of the Standing Committee of Shenzhen Municipal
Peoples Congress on Strengthening the Safety Obligation of House Tenancy,




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The Lessor (signature/seal):
    
    The Lessee (signature/seal):Entrusted Representative:
    
    Tel:Tel: