Document:

UNCONDITIONAL GUARANTY

      For and in consideration of Isaac Yeffet and Yeffet Security  Consultants,
Inc.  ("Claimants")  entry into Amendment No. 1 to the  Confidential  Settlement
Agreement  and Mutual  Release,  dated as of January 30, 2007 (the  "Amendment")
with HiEnergy Technologies,  Inc. (the "Company"),  the undersigned,  William A.
Nitze, an adult  individual  residing in the District of Columbia at the address
set forth on the signature page hereof (the "Guarantor"), hereby unconditionally
and  irrevocably  guarantees the prompt and complete  payment of the Installment
Payments (as defined in the Amendment) owed by the Company to Claimants pursuant
to the Amendment (the "Obligations").  For sake of clarification,  the Claimants
agree and understand that the Obligations guaranteed by this Guarantee encompass
only the payment of the five  Installment  Payments of $20,000 each as set forth
in the Amendment and do not extend to any other  requirements  or obligations of
the Company.  The Guarantor  hereby  expressly  agrees with and covenants to the
Claimants as follows:

1.    If Company does not perform the Obligations, or any of them, the Guarantor
      shall,  within five (5) business  days  following  written  notice of such
      failure  from  Claimants  to the  address  or fax  number set forth on the
      signature page hereof, pay and otherwise perform all of the Obligations.

2.    The obligations of the Guarantor hereunder are independent of and distinct
      from the Obligations of the Company,  and a separate action or actions may
      be  brought  and  prosecuted  against  the  Guarantor  whether  action  is
      previously or simultaneously  brought against the Company,  and/or whether
      the Company may  thereafter  be joined in any such action or actions.  The
      Guarantor  waives the benefit of any statute of limitations  affecting its
      liability hereunder or the enforcement thereof, to the extent permitted by
      law.

3.    Guarantor waives any right to require the Claimants to (a) proceed against
      Company or any other person;  (b) proceed  against or exhaust any security
      held from Company;  or (c) pursue any other remedy in the Claimants' power
      whatsoever.  Claimants may, at their election, exercise or decline or fail
      to  exercise  any right or remedy  they may have  against  Company  or any
      security held by the Claimants  including without  limitation the right to
      foreclose upon any such security by judicial or nonjudicial sale,  without
      affecting or impairing  in any way the  liability of Guarantor  hereunder.
      Guarantor  waives any defense arising by reason of any disability or other
      defense of Company or by reason of the cessation from any cause whatsoever
      of the liability of the Company,  and waives any and all other defenses of
      any kind or nature  now or  hereafter  available  to a  surety.  Guarantor
      waives any setoff,  defense or counterclaim  that Company may have against
      Claimants.  Guarantor  waives  any  defense  arising  out of the  absence,
      impairment or loss of any right of  reimbursement  or  subrogation  or any
      other  rights  against  the  Company.   Guarantor  waives  all  rights  to
      participate  in any  security  now or  hereafter  held  by the  Claimants.
      Guarantor waives all  presentments,  demands for  performance,  notices of
      nonperformance,  protests,  notices of protest,  notices of dishonor,  and
      notices of acceptance of this Guaranty and of the existence,  creation, or
      incurring  of  new  or  additional  indebtedness.  Guarantor  assumes  the
      responsibility  for being and keeping  itself  informed  of the  financial
      condition of Company and of all other circumstances  bearing upon the risk
      of nonpayment of any  indebtedness or  nonperformance  of the Obligations,
      and  agrees  that  Claimants  shall  have no duty to advise  Guarantor  of
      information  known  to  Claimants  regarding  such  condition  or any such
      circumstances

                                     Page 1
<PAGE>

4.    If  Company  becomes  insolvent  or is  adjudicated  bankrupt  or  files a
      petition for  reorganization,  arrangement,  composition or similar relief
      under any  present or future  provision  of the United  States  Bankruptcy
      Code,  or if such a petition  is filed  against  Company,  and in any such
      proceeding  some  or all  of the  Obligations  are  terminated,  rejected,
      modified or abrogated, or if the Obligations are otherwise avoided for any
      reason,  Guarantor agrees that Guarantor's  liability  hereunder shall not
      thereby be affected or modified and such liability  shall continue in full
      force and effect as if no such action or  proceeding  had  occurred.  This
      Guaranty shall continue to be effective or be reinstated,  as the case may
      be, if any  payment  must be returned by  Claimants  upon the  insolvency,
      bankruptcy or reorganization of Company, Guarantor, any other guarantor or
      surety, or otherwise, as though such payment had not been made.

5.    No terms or provisions of this Guaranty may be changed, waived, revoked or
      amended  without  the prior  written  consent of the  parties.  Should any
      provision  of  this  Guaranty  be  determined  by  a  court  of  competent
      jurisdiction to be unenforceable, all of the other provisions shall remain
      effective. This Guaranty,  together with any agreements (including without
      limitation any security  agreements or any pledge agreements)  executed in
      connection  with this Guaranty,  embodies the entire  agreement  among the
      parties  hereto  with  respect  to  the  matters  set  forth  herein,  and
      supersedes  all prior  agreements  among the parties  with  respect to the
      matters set forth herein. No course of prior dealing among the parties, no
      usage of trade, and no parole or extrinsic evidence of any nature shall be
      used to supplement,  modify or vary any of the terms hereof.  There are no
      conditions to the full effectiveness of this Guaranty.

6.    Guarantor  represents  and warrants to the Claimants that (i) Guarantor is
      an adult individual,  with full power and capacity to enter into,  execute
      and perform this Guaranty,  (ii)  execution,  delivery and  performance of
      this  Guaranty do not conflict with or result in a breach of or constitute
      a default  under any  documents or  agreements  to which he is party or by
      which he is bound, and (iii) this Guaranty constitutes a valid and binding
      obligation, enforceable against Guarantor in accordance with its terms.

7.    GUARANTOR WAIVES ANY RIGHT TO A JURY TRIAL OF ANY CLAIM OR CAUSE OF ACTION
      BASED  UPON OR ARISING  OUT OF THIS  GUARANTY  OR ANY OF THE  TRANSACTIONS
      CONTEMPLATED  THEREIN,  INCLUDING CONTRACT CLAIMS, TORT CLAIMS,  BREACH OF
      DUTY CLAIMS,  AND ALL OTHER COMMON LAW OR STATUTORY CLAIMS.  This Guaranty
      shall be governed by and construed in accordance with the internal laws of
      the State of New Jersey  applicable to the  performance and enforcement of
      contracts  made  within such state,  without  giving  effect to the law of
      conflicts of laws applied  thereby.  In the event that the Claimants shall
      be  forced  to bring  any  legal  action  to  enforce,  protect  or defend
      Claimants'  rights  under  this  Guarantee,  then the  Claimants  shall be
      entitled to reimbursement from the Guarantor of all reasonable fees, costs
      and other expenses (including, without limitation, the reasonable expenses
      of counsel ) in such action.

                                     Page 2
<PAGE>

      IN WITNESS WHEREOF,  the undersigned  Guarantor has executed this Guaranty
as of this 30th day of January 2007.

                  WILLIAM A. NITZE

                   /S/ WILLIAM A. NITZE
                  ----------------------------------------

Address for Notice:

William A. Nitze
1537 28th Street, N.W.
Washington, D.C. 2007

                  Agreed:

                   /S/ ISAAC YEFFET
                  ---------------------------
                  Isaac Yeffet

                  Yeffet Security Consultants, Inc.

                  By:  /S/ ISAAC YEFFET
                     ------------------------
                           Isaac Yeffet
                           President

                                     Page 3Exhibit
      4.1

    

    EQUITY
      INTEREST TRANSFER AGREEMENT

    

    This
      Equity Interest Transfer Agreement (Agreement)
      is made
      on January 18, 2007 in Beijing, the People’s Republic of China (the PRC).

     

    
      AMONG

    

     

    
      
        	(1)	
                BEIJING
                  YUCHENG TECHNOLOGIES COMPANY LIMITED, a
                  company with limited liability established and existing pursuant
                  to the
                  laws of the PRC whose principal business office is at 3rd Floor,
                  Tower B,
                  Beijing Financial Trust Building, 5 Anding Road, Chaoyang District,
                  Beijing, the PRC (Beijing
                  Yucheng);

              

      

    

    

    
      
        	(2)	
                BEIJING
                  RUISENKE INFORMATION TECHNOLOGY COMPANY LIMITED,
                  a
                  company with limited liability established and existing pursuant
                  to the
                  laws of the PRC whose registered office is at Room 208A, Zhongchen
                  Building, No.1, Road 2, Middle of Li Ze, Chaoyang District, Beijing,
                  the
                  PRC (Beijing
                  RSK);
                  and 

              

      

    

    

    
      
        	(3)	
                BEIJING
                  SUNRISK INFORMATION TECHNOLOGY COMPANY LIMITED, a
                  company with limited liability established and existing pursuant
                  to the
                  laws of the PRC whose registered office is at No.306, Building
                  2, No.B6,
                  Fuxing Road, Haidian District, Beijing, the PRC ( Beijing
                  Sunrisk).
                  

              

      

    

    

    Beijing
      Yucheng, Beijing
      RSK,
      and
      Beijing Sunrisk
      are
      referred to as the Parties,
      and
      each a Party.

     

    WHEREAS

     

    
      
        	(1)	
                Beijing
                  Sunrisk provides consultants, training, products and services for
                  management information and treasury management/risk management
                  systems of
                  financial industry in the PRC. The registered capital of Beijing
                  Sunrisk
                  is one million Renminbi yuan (RMB 1,000,000), the sole shareholder
                  of
                  which is Beijing RSK.

              

      

    

    

    
      
        	(2)	
                Beijing
                  Yucheng provides information services to customers in the banking
                  and
                  financial services industry in the PRC and proposes to purchase
                  all of the
                  equity interest of Beijing Sunrisk held by Beijing
                  RSK.

              

      

    

    

    

      IT IS
        AGREED
        as
        follows:

    

     

    Article
      1 Equity Interest Transfer

     

    
      
        	1.1	
                Beijing
                  Yucheng shall purchase the entire equity interest of Beijing Sunrisk
                  from
                  Beijing RSK subject to the terms and conditions of this Agreement,
                  and
                  Beijing RSK shall sell to Beijing Yucheng the equity interest aforesaid.
                  Upon completion of such transfer, Beijing Yucheng shall become
                  the sole
                  shareholder of Beijing Sunrisk, holding 100% of the equity interest
                  of
                  Beijing Sunrisk.

              

      

    

     

    
      
        	1.2	
                After
                  completing the equity interest transfer, the current shareholder(s)
                  and
                  actual controllers of Beijing RSK and current major management
                  and
                  technology officers of Beijing Sunrisk shall continue to be employed
                  by
                  Beijing Sunrisk for a period of not less than two (2)
                  years.

              

      

    

     

    
      
        	1.3	
                The
                  aggregate purchase price for the equity interest shall be forty
                  five
                  million Renminbi yuan (RMB 45,000,000) (Purchase
                  Price).
                  

              

      

    

     

    
      
        	1.4	
                Unless
                  otherwise provided by this Agreement, the closing of the purchase
                  and sale
                  of equity interest contemplated by this Agreement (Closing)
                  and registration with the Administration for Industry and Commerce
                  (AIC)
                  shall be consummated no later than March 31, 2007.
                  

              

      

    

     

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

     

    Article
      2 Payment of the Purchase Price

     

    
      
        	2.1	
                Payment.
                  Beijing Yucheng shall pay forty five million Renminbi yuan (RMB
                  45,000,000) to Beijing RSK
                  in three installments within eighteen (18) months after the date
                  of
                  signed,
                  of which payment arrangement shall be as
                  follows:

              

      

    

     

    
      	(1)  	
              Beijing
                Yucheng shall pay 55% of the Purchase Price, equal to twenty four
                million
                seven hundred and fifty thousand Renminbi yuan (RMB 24,750,000),
                to
                Beijing RSK before the signing of this Equity
                Interest Transfer Agreement (Agreement).
                If the conditions to this agreement are not satisfied, Beijing RSK
                is
                obligated to return all the funds representing payments hereunder
                to
                Beijing Yucheng. 

            

    

     

    
      	(2)  	
              Beijing
                Yucheng shall pay 21.67% of the Purchase Price, equal to nine million
                seven hundred fifty thousand Renminbi yuan (RMB 9,750,000) to Beijing
                RSK
                after Beijing Sunrisk reaches or exceeds business objectives of 2006,
                which is Beijing Sunrisk net profit after taxes in 2006 of five million
                Renminbi yuan (RMB 5,000,000) under US GAAP. If Beijing Sunrisk fails
                to
                reach business objectives of 2006, Beijing Yucheng shall pay to Beijing
                RSK the amount calculated as follows:

            

    

     

    (RMB
      9,750,000)×
      (actual
      net profit after taxes /business objectives of 2006)

     

    Financial
      audit of Beijing Sunrisk in the year of 2006 and the payment stipulated under
      Article 2.1 (1) shall be consummated no later than February 28, 2007.

     

    
      	(3)  	
              Beijing
                Yucheng shall pay 23.33% of Purchase Price, equal to ten million
                five
                hundred thousand Renminbi yuan (RMB 10,500,000) to Beijing RSK after
                Beijing Sunrisk reaches or exceeds business objectives of 2007, which
                is
                Beijing Sunrisk net profit after taxes for 2007 of nine million Renminbi
                yuan (RMB 9,000,000) under US GAAP. If Beijing Sunrisk fails to reach
                business objectives of 2007, Beijing Yucheng shall pay to Beijing
                RSK the
                amount calculated as follows: 

            

    

     

    (RMB
      10,500,000)×
      (actual
      net profit after taxes /business objectives of 2007)

     

    Financial
      audit of Beijing Sunrisk in the year of 2007 and the payment stipulated under
      Article 2.1 (2) shall be consummated no later than March 31, 2008. 

     

    Article
      3 No Other Negotiation Clause

     

    From
      the
      effective date of the Agreement until the termination of this Agreement,
neither
      Beijing
      RSK nor Beijing Sunrisk shall propose any negotiation, enter into any memorandum
      or agreement providing for any acquisition by any other third party of any
      capital stock or any part of the assets of Beijing Sunrisk or cooperation with
      any other third party related to any capital stock or any part of the assets
      of
      Beijing Sunrisk. If Beijing RSK or Beijing Sunrisk fails to perform this No
      Other Negotiation Clause, it shall be liable to Beijing Yucheng. 

     

    Article
      4 Confidentiality 

     

    The
      Parties hereby consent and guarantee that unless stipulated by mandatory
      provisions of laws and regulations of the PRC or required by judicial
      departments, each Party may not disclose any content of this Agreement or
      confidential information of other Party received from the execution and
      performance of this Agreement to any other individuals or legal persons
without
      prior permission of other Party. 

     

    Article
      5 Applicable Law and Settlement of Disputes 

     

    The
      validity, interpretation, implementation and disputes resolution of this
      Agreement shall be governed by the laws and regulations of the PRC. All disputes
      arising from the performance of this Agreement shall be settled through friendly
      negotiations. Should no settlement be reached, dispute shall then be submitted
      for litigation in court with jurisdiction. Beijing Yucheng and Beijing RSK
      shall
      perform this Agreement other than disputed terms before settlement.

     

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

     

    Article
      6 Effective Date of Agreement

     

    This
      Agreement shall become effective upon being signed by the legal representative
      or authorized representative of Parties and shall be binding to each Party
      thereafter. 

     

    Article
      7 Versions

     

    This
      Agreement is executed in Chinese and English versions. Both versions are legally
      binding. In case of any conflicts, Chinese version shall prevail. Beijing
      Yucheng, Beijing RSK and Beijing Sunrisk collectively, each hold one (1)
      original Chinese and English copy. 

    
      
        
        

      

      
        
        

        
          

        

      

       

    

    IN
      WITNESS WHEREOF,
      the
      Parties have caused this Agreement to be executed as of the date first written
      above.

    

    BEIJING
      YUCHENG TECHNOLOGIES COMPANY LIMITED

     

    
      	 	 	 	 
	By:
              /s/
              Weidong Hong	 	 	 
	
              
                

              

              Name: Weidong
                Hong

              Title: CEO

            	 	 	
            

    

     

    BEIJING
      RUISENKE INFORMATION TECHNOLOGY COMPANY LIMITED

    
       

      
        	 	 	 	 
	By:
                /s/
                Yumin Wang	 	 	 
	
                
                  

                

                Name:
                  Yumin Wang 

                Title: CEO

              	 	 	
              

      

       

    

    BEIJING
      SUNRISK INFORMATION TECHNOLOGY COMPANY LIMITED

    
      
         

        
          	 	 	 	 
	By:
                  /s/
                  Xi Wang	 	 	 
	
                  
                    

                  

                  Name:
                    Xi Wang

                  Title: CEO

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