Exhibit
4.80

    English Translation of
Chinese Language Document

    


    Contract

    


    Contract
No.: XS320090016

     Signing
Place: Jiangning District, Nanjing

                                      Signing
Date: 2009-02-24

     


    
      
        	
                Party
      A: China Sunergy (Nanjing) Co., Ltd.

              	 
      	
                Party
      B: CEEG (Nanjing) New Energy Co., Ltd.

              
	
                Address:
      No. 123, West Focheng Road, Economy and Technology Development Zone,
      Jiangning, Nanjing

              	 
      	
                Address:
      No.6 Shuige Road, Jiangning Economy and Technology Development Zone,
      Nanjing

              
	
                Postal
      code: 211100

              	 
      	
                Postal
      code: 211100

              
	
                Contact
      person: Jianhua Zou

              	 
      	
                Contact
      person: Xulu Xia

              
	
                Tel.:
      025-52766701

              	 
      	
                Tel.:
      025-52095672

              
	
                Fax:
      025-52766767

              	
                  

              	
                Fax:
      025-52095672

              


      

    

    


    In order to seek better cooperation,
through mutual consultation, the parties hereto enter into the below credit
contract for mutual compliance and performance:

    


    1.      
     During the period from Feburary 24, 2009 to
December 31, 2009 when the parties enter into sales contracts and processing
contracts, Party B shall pay 50% of the price of the goods to the account
designated by Party A before it picks up such goods. For the remaining 50%,
Party A allows Party B to accumulate such amounts to the credit facility of
RMB20 million that Party A grants to Party B. Party A shall grant to Party B a
credit of RMB20 million and a one-month credit term. If the accumulated amounts
payable to Party A by Party B exceed RMB20 million or such payables have been
due for more than one month, Party B shall initiate the payment procedures to
pay off such payables and all the payables shall be paid off by the end of each
quarter. Party A may cease the delivery of the goods if any payables have not
been paid off by Party B by the end of each quarter and will not resume the
delivery of the goods until Party B makes the payments. If Party B fails to make
such payments within the agreed period, Party B shall pay a default penalty of
0.04% per day for the overdue amount to Party A.

    


    2.         
  The term of this contract shall be from February 24, 2009 to
December 31, 2009.

    


    3.      
     This contract shall become effective upon signing
by and affixing of the common seal of the parties hereto.

    


    
      
        	
                Party
      A: China Sunergy (Nanjing) Co., Ltd.

              	 
      	
                Party
      B: CEEG (Nanjing) New Energy Co., Ltd.

              
	
                Signature/seal:
      /s/

              	 
      	
                Signature/seal:
      /s/

              
	
                Date:

              	
                  

              	
                Date:

              


      

    
 

    
      
         


      

      
         


        
          

        

      

      
         


      

    


    Contract

    


    Contract
No.: XS320090016-1

     Signing
Place: Jiangning District, Nanjing

                                      Signing
Date: 2009-7-20

    


    
      
        	
                Party
      A: China Sunergy (Nanjing) Co., Ltd.

              	 
      	
                Party
      B: CEEG (Nanjing) New Energy Co., Ltd.

              
	
                Address:
      No. 123, West Focheng Road, Economy and Technology Development Zone,
      Jiangning, Nanjing

              	 
      	
                Address:
      No.6 Shuige Road, Jiangning Economy and Technology Development Zone,
      Nanjing

              
	
                Postal
      code: 211100

              	 
      	
                Postal
      code: 211100

              
	
                Contact
      person: Jianhua Zou

              	 
      	
                Contact
      person: Xulu Xia

              
	
                Tel.:
      025-52766701

              	 
      	
                Tel.:
      025-52095672

              
	
                Fax:
      025-52766767

              	
                  

              	
                Fax:
      025-52095672

              


      

    

    


    Due to market fluctuation, in order to
seek better cooperation, through mutual consultation, the parties hereto enter
into the below amendments to the original credit contract (No. XS320090016)
between the parties dated February 24, 2009 for mutual compliance and
performance:

    


    1.       
    During the period from July 20, 2009 to December 31,
2009 when the parties enter into sales contracts and processing contracts, Party
B shall pay 50% of the price of the goods to the account designated by Party A
before it picks up such goods. For the remaining 50%, Party A allows Party B to
accumulate such amounts to the credit facility of RMB20 million that Party A
grants to Party B. Party A shall grant to Party B a credit of RMB20 million and
a one-month credit term. If the accumulated amounts payable to Party A by Party
B exceed RMB20 million or such payables have been due for more than one month,
Party B shall initiate the payment procedures to pay off such payables. Party A
may cease the delivery of the goods if any payables have not been paid off by
Party B and will not resume the delivery of the goods until Party B makes the
payments. If Party B fails to make such payments within the agreed period, Party
B shall pay a default penalty of 0.04% per day for the overdue amount to Party
A.

    


    2.        
   The term of this contract shall be from July 20, 2009 to
December 31, 2009.

    


    3.       
    This contract shall become effective upon signing by and
affixing of the common seal of the parties hereto.

    


    
      
        	
                Party
      A: China Sunergy (Nanjing) Co., Ltd.

              	 
      	
                Party
      B: CEEG (Nanjing) New Energy Co., Ltd.

              
	
                Signature/seal:
      /s/

              	 
      	
                Signature/seal:
      /s/

              
	
                Date:

              	
                  

              	
                Date: