Document:

Exhibit
      10.19

    Lease
      Agreement

    

    Lessor
      (Party A): Huizhou
      Huiyang Sanlian Iron Products Factory

    

    Lessee
      (Party B): Ritar
      International Group Limited 

    

    In
      accordance with relevant Chinese laws, decrees and pertinent rules and
      regulations, Party A and Party B have reached an agreement through friendly
      negotiation based on principles of freedom of contract, equality and mutual
      benefit.

    

    
      	1.	
              Lease
                Condition 

            

    

    
      	 	 

    

    The
      14,704 square meters land Party A leased to Party B is located at Cunfa Lake,
      Qiu Chang Zhen Town, Hui’yang District, Huizhou.

    

    
      	2.	
              Lease
                Term

            

    

    
      	 	 

    

    
      	2.1	
              The
                lease term shall be six months from 1 October 2006 to 31 March
                2007.

            

    

    

    
      	2.2	
              Party
                A has the right to repossess the land contemplated in the lease when
                this
                Agreement expires and Party B shall return the leased land in time.
                If
                Party
                B
                intends to extend the term of the leasehold, he shall
                notify Party A within three months before the Agreement
                expires.

            

    

    

    
      	3.	
              Rent
                and Deposit

            

    

    
      	 	 

    

    
      	3.1	
              As
                the result of both parties’ negotiation, the rent of the leased land shall
                be RMB 0.5 Yuan per square meter each day and it will be RMB 220560
                Yuan
                per month.

            

    

    

    
      	3.2	
              Once
                both parties sign the Lease Agreement, Party B shall pay lease deposit
                to
                Party A at the amount of one month’s rent. Party B shall pay the rent
                before the 5th of each month, and three months’ rent shall be paid in
                advance to Party A. 

            

    

    

    
      	4.	
              Other
                Fees

            

    

    
      	 	 

    

    During
      the lease term, Party B shall bear the costs and fees of using the leased
      premises and shall pay the amount of money within three days after he receives
      the receipts or invoices.

    

    
      	5.	
              Sublease

            

    

    
      	 	 

    

    During
      the lease term, consent from Party A shall be obtained before Party B subleases
      the premises. Otherwise, the rents paid and the deposit shall be forfeited
      and
      will not be returned to Party B. 

     

    
      	6.	
              Other
                issues

            

    

    
      	 	 

    

    
      	6.1	
              In
                case of breach of contract by any party that terminates the Agreement
                before the term of the contract expires, the breaching party shall
                be
                responsible for breaching the Agreement and pay the non-breaching
                party a
                penalty at the amount of three times monthly
                rent.

            

    

     

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

     

    
      	6.2	
              During
                the lease term, if any issue arising from the Real Property Certificates
                for the leased land adversely affects the normal
                operation of Party B, Party A shall be responsible
                for damages incurred therein. This Agreement shall become effective
                after
                the Party B pays the first rent or terminate once Party B fails to
                perform
                for three months.

            

    

    

    
      	7.	
              Both
                parties shall solve any issues not covered in this contract in accordance
                with relevant PRC laws and
                regulations.

            

    

    

    
      	8.	
              This
                Agreement has four originals and each party holds two originals.
                This
                Agreement become effective once both parties sign or stamp on
                it.

            

    

    

    Lessor:

    Huizhou
      Huiyang Sanlian Iron Products Factory

    (Corporate
      Seal)

    
      	 	 	 	 
	
              Lessee:

              Ritar
                International Group Limited

            	
            
	 	 
 	 
 	 
 
	By: 	/s/
              Jiada Hu	  	 
	 	
              
Name:
              Jiada Hu	
            
	 	 	 

    

    Execution
      Date: October 1st,
      2006Exhibit
      10.20

    Lease
      Agreement

    

    Party
      A Hu
      Jiada

    Party
      B Shenzhen
      Ritar Power Co., Ltd.

     

    Party
      A
      and Party B have reached an agreement through friendly negotiation that Party
      A
      will lease to Party B the unit for use as office owned by Party A itself, which
      is located at Room 22F01, Tower A, Tian’an Cyber Times Building, Futian
      District, Shenzhen.

     

    
      	1.	
              The
                total size of the inner and outsider area available of the leased
                office
                is 233 square meters. The rental each month shall be RMB 18,640.
                (RMB 80
                Yuan per square meter). Party B shall pay the aforesaid rental before
                the
                18th
                of
                each month on the appointed bank account of Party
                A.

            

    

     

    
      	2.	
              Party
                B shall pay the management fee, cost of water, electricity and other
                facilities upon the actual use.

            

    

     

    
      	3.	
              Starting
                from the second year of the lease term, the rental per year shall
                be
                properly adjusted according to the then market price
                

            

    

     

    
      	4.	
              This
                Agreement has two originals and each party holds
                one.

            

    

     

    
      	5.	
              Anything
                not covered in this contract will be discussed separately by both
                parties

            

    

     

    
      	6.	
              This
                Agreement shall come into effect on 1st
                May 2005.

            

    

     

    
      	
              Party
                A
                

               

               

            	 	 	 
	/s/ Jiada
              Hu	 	 	 
	
              
Jiada
              Hu	 	 	
            
	
            	 	 	
            

    

     

    Party
      B 

    Shenzhen
      Ritar Power Co., Ltd.

    (Corporate
      Seal)

    

    Date:
      1st
      May
      2005Exhibit
      10.21

     

    Supplemental
      Lease Agreement

     

    Party
      A:
      Jiada
      Hu

    

    Party
      B: Shenzhen
      Ritar Power Co., Ltd.

    

    Party
      A
      will lease the office owned by Party A itself, which is located at Room 22
      F01,
      Block A, Tian’an Cyber Times Building, Futian District, Shenzhen to Party B for
      use of office. The size of it is 233 square meters and the original rental
      shall
      be increased from RMB 80 Yuan per square meter to RMB 120 Yuan per square meter.
      The rental per month shall be RMB 27,960 Yuan and shall be paid to the appointed
      bank account before the 18th
      each
      month. The lease term shall be one year from the 1st
      June
      2006 to 30 May
      2007.

     

    
      	
              Party
                A
                

               

               

            	 	 	 
	/s/ Jiada
              Hu	 	 	 
	
              
Jiada
              Hu	 	 	
            
	 	 	 	
            

    

     

    
      
        	
                Party
                  B
                  

                 

                 

              	 	 	 
	
                Shenzhen
                  Ritar Power Co., Ltd

                (Corporate
                  Seal)

              	 	 	 
	 	 	 	
              
	Date:
                29
                June 2006Exhibit
      10.22

    

    GUARANTEE
      AGREEMENT

    

    BY
      AND AMONG

    

    HU
      JIA DA

    (AS
      GUARANTOR)

    

    SHENZHEN
      RITAR POWER CO., LTD.

    (AS
      GUARANTEE)

    

    AND

    

    DBS
      BANK (HONG KONG) LTD. SHENZHEN BRANCH

    (AS
      OBLIGEE)

    

    

    DATE:
      7 MARCH 2006

    
      
         

      

      
         

        
          

        

      

       

    

    GUARANTEE
      AGREEMENT

    

    This
      Agreement is entered into on 7 March 2006 by and between:

    

    	1.  	
            Guarantor:
              Hu Jia Da

          

     

    Address:
      D3-706, Fuyuan Garden, Futian District, Shenzhen

    ID
      Card
      No.: 430403196410210018

    

    	2.  	
            Guarantee:
              Shenzhen Ritar Power Co., Ltd.

          

     

    Legal
      Representative: Hu Jia Da

    Address:
      Building 9, Second Industrial Zone, Fuqiao, Qiaotou Village, Fuyong Town, Bao’an
      District, Shenzhen

    Business
      License Registration No.: 4403012089074

    

    	3.  	
            Obligee:
              DBS Bank (Hong Kong) Ltd. Shenzhen
              Branch

          

     

    Legal
      Representative (Person in Charge): Wu Wen Cheng

    Address:
      18 Floor, Huarun Building, No.5001, Shennan Dong Road, Luohu District,
      Shenzhen

    Business
      License Registration No.: Qi Wai Yue Shen Ying Zi 490020

    

    Whereas:

     

    	1.  	
            The
              Obligee has issued the Letter of Banking Facilities: Shenzhen Ritar
              Power
              Co., Ltd. to the Guarantee on 6 March 2006 and the Guarantee has totally
              agreed with and accepted the abovementioned Letter of Banking Facilities
              (including all amendment, supplement, hereinafter collectively referred
              to
              as Banking Facilities) on 7 March 2006. The total credit limit under
              the
              Banking Facilities is RMB 7 Million Yuan (or the equivalent in USD)
              and
              USD 300 Thousand, which includes: (1) Finance for account payable:
              RMB 2
              Million Yuan; (2) Factoring (I): USD 300 Thousand; (3) Factoring (II):RMB
              5 Million Yuan (or equivalent in USD).

          

     

    
      
         

      

      
        2

        
          

        

      

      
         

      

    

     

    	2.  	
            As
              required by the Banking Facilities, the Guarantor’s undertakings to bear
              joint and several liabilities for the indebtedness of the Guarantee
              under
              the Banking Facilities is one the conditions precedent of the Banking
              Facilities.

          

     

    The
      Parties have entered into the following agreement through friendly
      consultation:

    

    Article
      1 Indebtedness

     

    This
      guarantee shall cover all indebtedness owed by the Guarantee to the Obligee
      under the Banking Facilities, including loan principal, interest, default
      interest, liquidation damages, losses indemnity, expenses, cost and litigation
      fees and attorney fees for enforcement of the right to the security
      etc.

    

    Article
      2 Term of Guarantee

     

    The
      term
      of this guarantee is from the execution date of this guarantee till 2 years
      after expiry of the term of the loan under the Banking Facilities.

    

    Article
      3 Scope of Guarantee

     

    The
      Guarantor hereby undertakes that it shall, once demanded by the Obligee, pay
      for
      all outstanding indebtedness payable by the Guarantee to the Obligee under
      the
      Banking Facilities, including but not limited to loan principal, interest,
      default interest, liquidation damages, losses indemnity, expenses, cost and
      litigation fees and attorney fees for enforcement of the right to the security
      etc.

     

    Article
      4 Type of Guarantee

     

    4.1
      Basic
      Feature

     

    This
      guarantee shall be unconditional and irrevocable guarantee with joint and
      several liability.

     

    4.2
      Other
      Feature

     

    (1)
      This
      guarantee shall be independent from the invalidity of any other contract or
      agreement in relation to the indebtedness.

    
      
         

      

      
        3

        
          

        

      

       

    

    

    (2)
      The
      interest and right of the Obligee under this Agreement shall not be affected
      or
      restricted by any other contract and agreement. The Obligee is entitled to
      directly demand the Guarantor to fulfill its obligations of guarantee on default
      of the Guarantee without claiming interest or right from any other person
      (including but not limited to the Guarantee, other guarantor/mortgagor etc),
      taking litigation or any other measures first.

     

    (3)
      This
      guarantee shall be continuously valid within the term until all indebtedness
      has
      been settled.

     

    (4)
      This
      guarantee shall cover all existing, future, occurred or to-be-occurred
      indebtedness of the Guarantee under the Banking Facilities.

     

    (5)
      This
      guarantee shall be unconditional and shall not be reduced or exempted
      by:

     

    
      	
            	(a)	
              amendment,
                deletion or supplement to any clause of the Banking
                Facilities;

            

    

     

    
      	
            	(b)	
              any
                waiver, preferential treatment or grace period granted by the Obligee
                to
                any party;

            

    

     

    
      	
            	(c)	
              waiver
                of any rights of by the Obligee at any
                time;

            

    

     

    
      	
            	(d)	
              alteration
                of the legal status or members of any party, including share transfer,
                bankruptcy, liquidation, merger, acquisition, regroup, demise, restriction
                of civil rights or civil disposal, change of name or business scope
                etc.;

            

    

     

    
      	
            	(e)	
              any
                other guarantee, mortgage, pledge or security provided by any
                party;

            

    

     

    
      (6)
        In
        case
        that there are more than one guarantor under this Agreement, each guarantor’s
        undertakings is independent as well as joint. The Obligee is entitled to
        demand
        any guarantor to fulfill its obligations.

    

    

    Article
      5 Settlement of Indebtedness

     

    5.1
      In
      case of any default on loan principal, interest or any other amount payable
      by
      the Guarantee upon maturity of such indebtedness, the Guarantor shall, within
      7
      days after receiving the notification from the Obligee, settle such indebtedness
      with the Obligee in a lump sum and in accordance with the instruction on amount,
      currency, settlement method, settlement date and place etc. of the notification.
      

     

    5.2
      The
      notification of the Obligee is final and binding upon the Guarantor except
      for
      obvious errors.

    
      
         

      

      
        4

        
          

        

      

       

    

    

    Article
      6 Claims

     

    6.1
      Before the settlement of all indebtedness, the Guarantor should not seek or
      exercise any subrogation, or demand the Guarantee to settle any payment prior
      to
      the Obligee.

     

    6.2
      Before the settlement of all indebtedness, the Guarantor should not receive
      any
      security for any payment owed under the said subrogation. Any security received
      by the Guarantor in violation of this clause shall be deemed as the security
      received for and on behalf of the Obligee and the Guarantor shall present all
      relevant documentations and collaterals to the Obligee.

    

    Article
      7 Right of Defense

     

    The
      Guarantor hereby agrees to waive all right of defense as allowed by
      law.

    

    Article
      8 Statements and Undertakings

     

    8.1
      The
      Guarantor hereby states that:

     

    (1)
      The
      Guarantor is lawfully established and effectively existing. It enjoys full
      civil
      rights of disposal and has authorization to execute and perform this
      Agreement.

     

    (2)
      The
      Guarantor signs this Agreement of its own genuine will and is not under any
      duress. The obligations of the Guarantor under this Agreement are lawful, valid,
      binding and enforceable.

     

    (3)
      The
      execution of this Agreement, performance of its rights and obligations under
      this Agreement by the Guarantor is not in conflict with any law, regulation,
      obligation, undertakings, agreement or contract which is binding upon the
      Guarantor or its properties.

     

    8.2
      The
      Guarantor hereby undertakes that:

     

    (1)
      The
      Guarantor shall notify the Obligee of any event which may alter its legal
      status, members or civil right of disposal.

     

    (2)
      The
      Guarantor shall, as required by the Obligee from time to time, provide the
      Obligee with any materials or documentations concerning its business, financial
      status, operations etc.

    
      
         

      

      
        5

        
          

        

      

       

    

    

    (3)
      The
      Guarantor shall obtain and sustain all authorization, approval, registration
      as
      required by law and take any other necessary methods to ensure that it has
      full
      right to execute and perform this Agreement and to ensure that this Agreement
      is
      valid, lawful, binding and enforceable.

     

    (4)
      The
      Guarantor shall, as required by the Obligee from time to time, execute any
      agreement or document or take any methods or make any arrangement to ensure
      that
      the Obligee enjoys and exercises the rights under this Agreement.

     

    (5)
      The
      Guarantor shall, as required by the Obligee, pay any cost and expense in
      relation to the negotiation, draft, print, execution and enforcement of this
      Agreement, including lawyer’s fee, litigation fee etc.

     

    (6)
      The
      Guarantor shall, as required by the Obligee, pay any stamp duty, notary fee,
      registration fee or any tax etc. in relation to the execution, performance
      and
      enforcement of this Agreement, or pay any penalty or fine due to default of
      this
      clause by the Guarantor.

     

    (7)
      The
      Guarantor shall, as required by the Obligee, pay the amount stated under the
      above clause (5) and (6), and shall pay the interest at the rate determined
      by
      the Obligee for any overdue amount.

    

    Article
      9 Taxation

     

    Any
      amount payable by the Guarantor under this Agreement shall not be deducted
      or
      reduced by any tax or by any other reasons. The Guarantor shall make up for
      any
      amount deducted as required by law so that the actual amount received by the
      Obligee is not affected.

    

    Article
      10 Currency

     

    10.1
      The
      Guarantor shall fulfill its obligations in currency similar to the currency
      of
      the indebtedness under the Banking Facilities or in other currency as approved
      in writing by the Obligee.

    
      
         

      

      
        6

        
          

        

      

       

    

    

    10.2
      In
      case that the Obligee receives any amount from the Guarantor in currency other
      than that stated in the above clause 10.1, the Obligee is entitled to exchange
      the amount into the currency stated in the above clause 10.1. The Guarantor
      shall pay for any insufficiency as well as any cost which may
      occur.

     

    10.3
      The
      obligation under this article is an independent obligation. The Obligee is
      entitled to take litigation or apply for enforcement of this obligation in
      court
      as an independent claim.

    

    Article
      11 Credence and Evidence

     

    11.1
      Any
      credence or statement issued by the Obligee to demand payment or evidence any
      default by Guarantee shall be binding upon the Guarantor except for obvious
      errors.

     

    11.2
      Any
      credence or statement concerning the indebtedness which has been signed by
      the
      person in charge, staff or authorized representative of the Obligee shall be
      binding upon the Guarantor except for obvious errors.

    

    Article
      12 Lien

     

    The
      Guarantor agrees that without prejudice to any other rights of Obligee as
      allowed by the laws, the Obligee is entitled to exert lien on any property
      of
      the Guarantor which is possessed by the Guarantor or its proxy, for purpose
      of
      attachment or any other reason on default by the Guarantee. The Obligee is
      also
      entitled to use any fund in any account opened by the Guarantor with the Obligee
      to settle any due debt of the Guarantee.

    

    Article
      13 Assignment

     

    13.1
      The
      Guarantor shall not assign all or part of the rights and obligations under
      this
      Agreement to any third party without written approval by the
      Obligee.

     

    13.2
      In
      case that the Obligee lawfully assigns the rights and obligations under the
      Banking Facilities to any assignee, the Obligee then is entitled to assign
      the
      rights and obligations under this Agreement to the assignee accordingly, with
      no
      need of approval by the Guarantor. The Guarantor shall bear the same obligations
      to the said assignee after the assignment.

    
      
         

      

      
        7

        
          

        

      

       

    

     

    Article
      14 Exemption

     

    The
      execution and performance of this Agreement is for commercial purpose only.
      The
      Guarantor shall enjoy no exemption, and irrevocably relinquish any exemption
      which may be applicable in future.

    

    Article
      15 Notification

     

    15.1
      Any
      notification under this Agreement shall be carried out in writing, such as
      telex, fax or mail.

     

    15.2
      Any
      notification sent to the Guarantor/Guarantee may be sent to its legal address
      or
      office address or the telex/fax number known to the Obligee. The notification
      shall be deemed duly served at the time of sending the telex or fax or 7 days
      after sending the mail with proper address and postage paid. Any notification
      sent to the Obligee shall be deemed duly served only after the Obligee has
      actually received it.

    

    Article
      16 Reservation of Rights

     

    Any
      delay
      in performance, non-performance and part performance of its rights under this
      Agreement by the Obligee shall not be deemed as waive of such rights by the
      Obligee and shall not affect further exertion of such rights by the Obligee.
      Any
      tolerance of breach of contract by the Guarantor shall not affect the Obligee’s
      right in future to demand the Guarantor to bear consequential liabilities.
      The
      rights of the Obligee under this Agreement shall not affect any rights of the
      Obligee granted by law.

    

    Article
      17 Severability

     

    Any
      invalidity, illegality or unenforceability of any clause of this Agreement
      under
      any jurisdiction shall not affect the validity of other clauses of this
      Agreement and shall not affect the validity, legality or enforceability of
      such
      clause under other jurisdiction.

    
      
         

      

      
        8

        
          

        

      

       

    

    

    Article
      18 Applicable Law

     

    The
      applicable law for this Agreement shall be the laws of PRC.

    

    Article
      19 Jurisdiction

     

    19.1
      Any
      dispute shall be submitted to the nonexclusive jurisdiction of PRC court. The
      Obligee may choose the court in the location of the Obligee or in the location
      of the property of the Guarantor to take litigation or apply for enforcement.
      The Guarantor shall agree with the Obligee on the choice of court.

    19.2
      The
      above clause shall not affect the right of the Obligee to take litigation or
      apply for enforcement in more than one court with proper jurisdiction or in
      more
      than one legal territory.

    

    Article
      20 Validity

     

    This
      Agreement shall be binding upon the Guarantor, Obligee and their
      successors.

    

    Article
      21 Effectiveness

     

    This
      Agreement shall take effect after execution by the Guarantor, Guarantee and
      the
      Obligee, or after the registration/approval as required by the law. The
      Guarantor is responsible for such registration/approval in time.

    

    Article
      22 Notary

     

    After
      the
      execution of this Agreement, the Guarantor/Guarantee shall assist the Obligee
      to
      apply for enforceable notary deed in Shenzhen Notary Office if deemed necessary
      by the Obligee. The Obligee is entitled to apply for direct enforcement in
      the
      competent court without notification of the Guarantor in case of breach of
      contract by the Guarantor.

    

    Article
      23 Miscellaneous

     

    23.1
      The
      headings of the clauses of this Agreement are for reference only and shall
      not
      affect the interpretation of the clauses. 

    
      
         

      

      
        9

        
          

        

      

       

    

    

    23.2
      This
      Agreement is the accessory agreement to the Banking Facilities and shall have
      the same legal effect as the Banking Facilities.

     

    This
      Agreement has four originals. Each party shall retain one original and another
      original shall be retained by the Obligee for purpose of notary.

     

    
      	 	 	 	 
	
              Guarantor:
                /s/
                Jiada Hu

            	 	 	
            
	
              
                

              

              Jiada
                Hu

            	 	 	
            

    

    
      	 	 	 	 
	 	 	 	 
	
              Guarantee:
                Shenzhen Ritar Power Co., Ltd.

              
                (Corporate
                  Seal) 

              

            	 	 	 
	 	 	 	 
	 	 	 	 
	
              By:
                /s/
                Jiada Hu

            	 	 	
            
	
              
                

              

              Name:
                Jiada Hu

              Legal
                Representative

            	 	 	
            

    

    
      	 	 	 	 
	 	 	 	 
	
              
                Obligee:
                  DBS Bank (Hong Kong) Limited Shenzhen
                  Branch
(Corporate
                Seal) 

            	 
	 	 	 	 
	 	 	 	 
	
              By:
                /s/
                Wu Wen Cheng

            	 	 	
            
	
              
                

              

              
                Name:
                  Wu Wen Cheng

                Legal
                  Representative 

              

            	 	 	
            

    

    
      

      
        
           

        

        
          10

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