Document:

Unassociated Document

     

    Exhibit
      4.4

    Lease
      Agreement

     

    (Translated
      from the original Chinese agreement)

     

    Party
      A:
      Wenhui Qiao

    Party
      B:
      Bio-Bridge Science (Beijing) Corporation

     

    Party
      A
      is the owner of Suite 1810, No.199, Moma Building, Chaoyang North Road, Chaoyang
      District, Beijing, China. Party B desires to rent and Party A agrees to rent
      the
      above-mentioned premise.

     

    Party
      A
      and Party B through friendly discussions to reach the following agreement on
      the
      basis of self-willingness, fairness under the guidance of the laws of the
      People's Republic of China:

     

    Article
      One: The Leased Space

     

    Party
      A
      agrees to lease the above-mentioned premise (34.47sqm. for net space and 44.39
      sqm. for construction Space; hereafter abbreviated as "the leased space") to
      Party B. Party B agrees to rent the leased space and accepts all clauses in
      this
      lease agreement. Party B has the exclusive right to use the leased space during
      the lease period.

     

    Article
      Two: Lease Period

     

    The
      lease
      shall take effect on July 1, 2007 and end on June 30, 2008, a one-year period.
      Under the following conditions Party A has the right to revoke the lease
      agreement and take back the leased premise:

     

    Clause
      1:
      Party B sublets, transfers, lends, or forms joint ventures with others without
      the prior consent of Party A.

     

    Clause
      2:
      Party B uses the leased space to engage in illegal activities and damages public
      interests

     

    Clause
      3:
      Party B defaults on the rental payment for three months.

     

    After
      the
      termination of the agreement, Party B has the preemptive right to rent the
      leased space if Party A is still willing to rent the leased space.

     

    Article
      Three: The Rent and Payment Method

     

    Clause
      1:
      The monthly rent of the leased space is RMB 5,000 (five thousand yuan) and
      Party
      B shall pay the amount to party A before the fifteenth day of each month during
      the lease period.

     

    Clause
      2:Both parties consult each other for the payment of the related housing rental
      tax.

     

    Article
      Four: Renovation and Remodeling

     

    Maintaining
      the leased space in good condition is Party A's responsibility. Party A should
      check and inspect and premise regularly to make sure there is no flooding,
      drainage and indoor water supply, sewage, and electricity is normal so that
      Party B can use the leased space comfortably.

     

    Regarding
      the renovation scope and standard, both parties should follow the Notice No.13
      issued by the Beijing Municipal Construction Department.

     

    When
      Party A renovates the premise, Party B should assist Party A, and should not
      deter the renovation works in any form.

     

    With
      regard to the renovation project of the leased space, both parties consult
      each
      other to reach agreement on the renovation details.

     

    Without
      obtaining the prior written agreement of Party A, Party B cannot carry out
      any
      modification, enlargement or improvement to the leased space. Without the
      approval of Party A, Party B cannot make any marks, painting or drilling, and
      cannot damage the outer appearances of the leased space and the building in
      any
      form. Regarding the ownership of the decorations at the expiration of the lease
      agreement, both parties agree that: Party B is responsible for the decoration
      costs and the ownership right belongs to Party A.

     

    Article
      Five: Change of Rental Parties

     

    Clause
      1:
      If Party A transfers the ownership right of the leased space legally to another
      party, the lease agreement is still effective if there is no prior promise
      between both parties.

     

    Clause
      2:
      If Party A is willing to sell the leased space, it should notify Party B with
      a
      three month written notice. Under the same conditions, Party B has the
      preemptive right to purchase the leased space.

     

    Cause
      3:
      If Party B is willing to switch the leased space with a third party, it should
      get a prior consent from Party A; Party A shall support Party B's reasonable
      request.

    
      
         

      

      
         

        
          

        

      

      
         

      

    

    Article
      Six: Liability for Breach of Agreement

     

    Clause
      1:
      If Party A is delinquent in submitting the suitable premise as mentioned in
      Article One and Two, then it will compensate Party B RMB 1,000.

     

    Clause
      2:
      If either Party is unable to excise the clauses in Article Four, the default
      party shall compensate the other party the amount of RMB 1,000.

     

    Clause
      3:
      If Party B is delinquent is rental payment, it agrees to pay 1% of the rental
      amount on a daily basis to Party A in addition to the owed rental
      payment.

     

    Clause
      4:
      If Party A charges Party B any expense other than the said amount of rental
      fees, Party B has the right to refuse to pay.

     

    Clause
      5:If Party B transfers the premise to others for use with prior consent of
      Party
      A, Party A has the right to terminate the agreement and forces Party A to cease
      the transfer. Party B shall compensate 1% of the rent on a daily basis to Party
      A.

     

    Clause
      6:
      If Party B still occupies the premise after the expiration of the lease
      agreement without consent of Party A, it should pay Party A 1% of the rent
      on a
      daily basis. After the payment, Party A still has the claim right to cease
      the
      lease agreement.

     

    Article
      Seven: Waivers

     

    Clause
      1:
      If there is a Force Majecure that causes damage to Party B, both parties shall
      have no responsibility with regard to each party. Force Majeure shall mean
      all
      events which are beyond the control of the parties to the lease agreement,
      and
      which are unforeseen, or if foreseen, unavoidable, and which prevent total
      or
      partial performance by either party.

     

    Clause
      2:
      If there is a municipal construction need that the premise has to be tear down
      or has to be remodeled, each party bears no responsibility with regard to the
      damage.

     

    If
      the
      lease agreement is forced to cease due to the above-mentioned clauses, the
      rent
      will be calculated based on the usage time, and the extra rent will be refunded
      to Party B.

     

    Article
      Eight: Dispute Resolution

     

    Any
      dispute arising from, out of or in connection with the lease agreement shall
      be
      settled by friendly consultation between both parties. In the event that either
      party determines that the dispute is unable to be resolved by consultation,
      either party may, at any time, refer the dispute to the housing rental
      management authority for resolving the dispute. If the dispute still exists,
      either party can apply for arbitration to Economic and Trade Arbitration
      Commission of the Municipal Commerce and business Administration Bureau or
      raise
      the dispute issue to the People's Court in Beijing.

     

    Article
      Nine: Miscellaneous

     

    Party
      B
      promises that there shall no disturbing behavior during the lease
      period.

     

    Any
      amendment to the lease agreement shall be in writing and signed by both parties,
      and shall not come into effect until both parties have signed the amendment
      and
      sent to the municipal housing rental management authority for approval and
      registration. The amendments shall have the same legal binding force as the
      lease agreement.

     

    The
      lease
      agreement is duplicated in two copies, with each party holding one. The lease
      agreement shall become effective after duly authorized representatives of both
      parties attach their signatures and add the company seal.

     

    IN
      WITNESS WHEREOF, the lease agreement is signed by the duly authorized
      representatives of the parties on the date of June 23, 2007.

     

    Party
      A:
      Wenhui Qiao

     

    Signature:
      Wenhui Qiao/s/

     

    Date:
      June 23, 2007

     

    Party
      B
      Bio-Bridge Science (Beijing) Corporation Company Seal: /seal/

    Date:
      June 23, 2007Unassociated Document

     

    Exhibit
      4.5

     

    Lease
      Agreement

    (Translated
      from the original Chinese agreement)

     

    Party
      A:
      Minjin Yu

    Party
      B:
      Bio-Bridge Science (Beijing) Corporation

     

    Party
      A
      is the owner of Suite 1812, No.199, Moma Building, Chaoyang North Road, Chaoyang
      District, Beijing, China Party B desires to rent and Party A agrees to rent
      the
      above-mentioned premise.

     

    Party
      A
      and Party B through friendly discussions to reach the following agreement on
      the
      basis of self-willingness, fairness under the guidance of the laws of the
      People's Republic of China:

     

    Article
      One: The Leased Space

     

    Party
      A
      agrees to lease the above-mentioned premise (60.32sqm. for net space and 77.68
      sqm. for construction Space; hereafter abbreviated as "the leased space") to
      Party B. Party B agrees to rent the leased space and accepts all clauses in
      this
      lease agreement. Party B has the exclusive right to use the leased space during
      the lease period.

     

    Article
      Two: Lease Period

     

    The
      lease
      shall take effect on July 1, 2007 and end on June 30, 2008, a one-year period.
      Under the following conditions Party A has the right to revoke the lease
      agreement and take back the leased premise:

     

    Clause
      1:
      Party B sublets, transfers, lends, or forms joint ventures with others without
      the prior consent of Party A.

     

    Clause
      2:
      Party B uses the leased space to engage in illegal activities and damages public
      interests.

     

    Clause
      3:
      Party B defaults on the rental payment for three months.

     

    After
      the
      termination of the agreement, Party B has the preemptive right to rent the
      leased space if Party A is still willing to rent the leased space.

     

    Article
      Three: The Rent and Payment Method

     

    Clause
      1:
      The monthly rent of the leased space is RMB 7,000 (seven thousand yuan) and
      Party B shall pay the amount to party A before the fifteenth day of each month
      during the lease period.

     

    Clause
      2:
      Both parties consult each other for the payment of the related housing rental
      tax.

     

    Article
      Four: Renovation and Remodeling

     

    Maintaining
      the leased space in good condition is Party A's responsibility. Party A should
      check and inspect and premise regularly to make sure there is no flooding,
      drainage and indoor water supply, sewage, and electricity is normal so that
      Party B can use the leased space comfortably.

     

    Regarding
      the renovation scope and standard, both parties should follow the Notice No.13
      issued by the Beijing Municipal Construction Department.

     

    When
      Party A renovates the premise, Party B should assist Party A, and should not
      deter the renovation works in any form.

     

    With
      regard to the renovation project of the leased space, both parties consult
      each
      other to reach agreement on the renovation details.

     

    Without
      obtaining the prior written agreement of Party A, Party B cannot carry out
      any
      modification, enlargement or improvement to the leased space. Without the
      approval of Party A, Party B cannot make any marks, painting or drilling, and
      cannot damage the outer appearances of the leased space and the building in
      any
      form. Regarding the ownership of the decorations at the expiration of the lease
      agreement, both parties agree that: Party B is responsible for the decoration
      costs and the ownership right belongs to Party A.

     

    Article
      Five: Change of Rental Parties

     

    Clause
      1:
      If Party A transfers the ownership right of the leased space legally to another
      party, the lease agreement is still effective if there is no prior promise
      between both parties.

     

    Clause
      2:
      If Party A is willing to sell the leased space, it should notify Party B with
      a
      three month written notice. Under the same conditions, Party B has the
      preemptive right to purchase the leased space.

     

    Clause
      3:
      If Party B is willing to switch the leased space with a third party, it should
      get a prior consent from Party A; Party A shall support Party B's reasonable
      request.

     

    
      
         

      

      
         

        
          

        

      

      
         

      

    

     

    Article
      Six: Liability for Breach of Agreement

     

    Clause
      1:
      If Party A is delinquent in submitting the suitable premise as mentioned in
      Article One and Two, then it will compensate Party B RMB 1,000.

     

    Clause
      2:
      If either Party is unable to excise the clauses in Article Four, the default
      party shall compensate the other party the amount of RMB1,000.

     

    Clause
      3:
      If Party B is delinquent is rental payment, it agrees to pay 1% of the rental
      amount on a daily basis to Party A in addition to the owed rental
      payment.

     

    Clause
      4:
      If Party A charges Party B any expense other than the said amount of rental
      fees, Party B has the right to refuse to pay.

     

    Clause
      5:If Party B transfers the premise to others for use with prior consent of
      Party
      A, Party A has the right to terminate the agreement and forces Party A to cease
      the transfer. Party B shall compensate 1% of the rent on a daily basis to Party
      A.

     

    Clause
      6:
      If Party B still occupies the premise after the expiration of the lease
      agreement without consent of Party A, it should pay Party A 1% of the rent
      on a
      daily basis. After the payment, Party A still has the claim right to cease
      the
      lease agreement.

     

    Article
      Seven: Waivers

     

    Clause
      1:
      If there is a Force Majecure that causes damage to Party B, both parties shall
      have no responsibility with regard to each party. Force Majeure shall mean
      all
      events which are beyond the control of the parties to the lease agreement,
      and
      which are unforeseen, or if foreseen, unavoidable, and which prevent total
      or
      partial performance by either party.

     

    Clause
      2:
      If there is a municipal construction need that the premise has to be tear down
      or has to be remodeled, each party bears no responsibility with regard to the
      damage. If the lease agreement is forced to cease due to the above-mentioned
      clauses, the rent will be calculated based on the usage time, and the extra
      rent
      will be refunded to Party B.

     

    Article
      Eight: Dispute Resolution

     

    Any
      dispute arising from, out of or in connection with the lease agreement shall
      be
      settled by friendly consultation between both parties. In the event that either
      party determines that the dispute is unable to be resolved by consultation,
      either party may, at any time, refer the dispute to the housing rental
      management authority for resolving the dispute. If the dispute still exists,
      either party can apply for arbitration to Economic and Trade Arbitration
      Commission of the Municipal Commerce and business Administration Bureau or
      raise
      the dispute issue to the People's Court in Beijing.

     

    Article
      Nine: Miscellaneous

     

    Party
      B
      promises that there shall no disturbing behavior during the lease
      period.

     

    Any
      amendments to the lease agreement shall be in writing and signed by both
      parties, and shall not come into effect until both parties have signed the
      amendment and sent to the municipal housing rental management authority for
      approval and registration. The amendments shall have the same legal binding
      force as the lease agreement.

     

    The
      lease
      agreement is duplicated in two copies, with each party holding one. The lease
      agreement shall become effective after duly authorized representatives of both
      parties attach their signatures and add the company seal.

     

    IN
      WITNESS WHEREOF, the lease agreement is signed by the duly authorized
      representatives of the parties on the date of June 23, 2007.

     

    Party
      A:
      Minjin Yu

     

    Signature:
      Minjin Yu/s/

     

    Date:
      June 23, 2007

     

     

    Party
      B:
      Bio-Bridge Science( Beijing) Corporation

     

    Company
      Seal:/seal/

     

    June
      23,
      3007

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