Exhibit
      10.10

    LOCK-UP
      AGREEMENT

    


    China
      Shenghuo Pharmaceutical Holdings, Inc.

    No.
      2,
      Jing You Road

    Kunming
      National Economy & 

    Technology
      Developing District

    People’s
      Republic of China

    


    The
      undersigned, being a shareholder of China Shenghuo Pharmaceutical Holdings,
      Inc.
      (formerly known as SRKP 8, Inc. and referred to herein as the “Company”) and
      receiving his/her/its shares as an investor in the Company’s private offering
      that closed on August 31, 2006 (the “Private Offering”), hereby delivers this
      Lock-up Agreement to the Company. 

    


    The
      undersigned recognizes that it is in the best financial interests of the Company
      and of the undersigned, as a shareholder of the Company, that the Company Common
      Stock, par value $0.0001 (the “Company Common Stock”) received by the
      undersigned pursuant to the Private Offering be subject to certain restrictions
      and hereby agrees as follows:

    


    Other
      than as set forth below, the undersigned shall not: (a) sell, assign, exchange,
      transfer, pledge, distribute or otherwise dispose of (i) any shares of the
      Company Common Stock received by the undersigned in the Private Offering, or
      (ii) any interest (including, without limitation, an option to buy or sell)
      in
      any such shares of the Company Common Stock, in whole or in part, and no such
      attempted transfer shall be treated as effective for any purpose; or (b) engage
      in any transaction in respect to any shares of the Company Common Stock received
      by the undersigned in the Private Offering or any interest therein, the intent
      or effect of which is the effective economic disposition of such shares
      (including, but not limited to, engaging in put, call, short-sale, straddle
      or
      similar market transactions) (the foregoing restrictions are referred to herein
      as “Lock-Up Restrictions”). 

    


    One-ninth
      of the undersigned’s shares of the Company’s Common Stock acquired in the
      Private Offering shall be released from the Lock-Up Restrictions on the date
      that is one month subsequent to the date on which the Company’s Common Stock
      begins to be listed or quoted on either the New York Stock Exchange, American
      Stock Exchange, NASDAQ Global Market, NASDAQ Capital Market or the OTC Bulletin
      Board (the “Initial Release Date”), and the undersigned’s shares will
      automatically be released from the Lock-Up Restrictions on a monthly basis
      after
      the Initial Release Date on a pro rata over the next eight months, until all
      of
      the shares are released from the Lock-Up Restrictions.

    


    The
      certificates evidencing the Company Common Stock received by the undersigned
      in
      the Private Offering bear a legend as set forth below and such legend shall
      remain during the term of this Lock Up Agreement as set forth
      above:

    


    THE
      SHARES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO TRANSFER RESTRICTIONS
      SET
      FORTH IN THAT CERTAIN LOCK-UP AGREEMENT BY AND BETWEEN CHINA SHENGHUO
      PHARMACEUTICAL HOLDINGS, INC., A DELAWARE CORPORATION, AND THE HOLDER HEREOF
      (THE “LOCK-UP AGREEMENT”), AND MAY NOT BE SOLD, ASSIGNED, EXCHANGED,
      TRANSFERRED, ENCUMBERED, PLEDGED, DISTRIBUTED OR OTHERWISE DISPOSED OF PRIOR
      TO
      THAT CERTAIN TIME PERIOD DETAILED IN THE LOCK-UP AGREEMENT. THE ISSUER AGREES
      TO
      REMOVE THIS RESTRICTIVE LEGEND (AND ANY STOP ORDER PLACED WITH THE TRANSFER
      AGENT) UPON THE EXPIRATION OF THE TIME PERIOD SPECIFIED IN THE LOCK-UP
      AGREEMENT. A COPY OF THE LOCK-UP AGREEMENT IS AVAILABLE FOR REVIEW AT THE
      PRINCIPAL EXECUTIVE OFFICE OF THE ISSUER.

    


    [SIGNATURE
      ON NEXT PAGE]

     

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

     

    IN
      WITNESS WHEREOF, the undersigned has executed this Lock-Up Agreement as of
      the
      date first written above.

     

    _________________________________________
Printed
      Name of Holder

     

     

    Signature
      _______________________________________

     

     

    By:
      ____________________________________________

     

     

    Title
      (if applicable):
      ________________________________