English Translation of Contract dated as of June 2, 2006



 Exhibit 10.20 
 English Translation 
 PURCHASE CONTRACT 
 Contract No: YGC060602001 
  

							
	Supplier: Beijing Oriental Keyuan Crystal Technology Co., Ltd.	 	Purchaser: Zhejiang Yuhui Solar Energy Source Co., Ltd.
		
	Add.: Zhang Jia Wan Town Development Zone, Tongzhou District, Beijing	 	Add.: Yaozhuang Industrial Park, Jiashan County, Zhejiang
			
	Banker: Beijing Bank, Jiulong Shan Sub-branch	 	Banker:	 	  

			
	A/C No.: 900120109077097	 	A/C No.:	 	  

		
	Tel: 010-61568946/61568945	 	Tel: 0573-4773059
		
	Fax: 010-61568947    Zip Code: 101113	 	Fax: 0575-4773063    Zip Code: 314117

 This Contract is entered into by and between both parties in accordance with the Contract Law of the
People’s Republic of China and other applicable laws and regulations and through friendly negotiations: 
  

	1.	LIST OF PRODUCTS 

  

													
	 No.
	  	 Model
	  	Unit	  	QTY	  	Unit Price	  	Total	  	Remarks
	 1
	  	Monocrystalline Silicon Furnace (JRDL-800CCD)	  	Set	  	36	  	860000	  	30960000	  	
						
	 18 sets to be delivered on July 30 (First Batch)
 18 sets to be delivered on August 30 (Second Batch)
	  		  		  		  		  	
						
	 Total (RMB): Thirty Million Nine Hundred Sixty Thousand Yuan Only
	  		  		  		  		  	

  

	2.	ADVANCE PAYMENT 

 The Purchaser shall advance 25% of the total
contract price to the Supplier for the fist batch of products on or before June 5, 2006 and shall advance 25% of the total contract price to the Supplier for the second batch of products on or before June 30, 2006. When the contract for
the first and second batch of products becomes effective, the Purchaser shall pay up 95% of the total contract price for these products. 
  

	3.	TERM OF PAYMENT 

 The Purchaser shall pay up the remaining 5%
contract price of products within six (6) months. 
  

	4.	PLACE AND TIME OF DELIVERY AND METHOD OF ACCEPTANCE 

 Products shall
be inspected and accepted according to the specific contract. 
  

	5.	MEANS OF TRANSPORTATION 

 Products shall be transported by means of
trucks. The cost of package shall be paid by the Supplier and the cost of transportation shall be paid by the Purchaser. 








	6.	QUANTITY 

 Subject to the specific contract. 
  

	7.	AFTER-SALES SERVICES 

 The Supplier will provide one year of free
warranty service (except for any damage caused by human act, and the period of free warranty service for vacuum pump shall be half a year), and will provide life-long warranty service. 
  

	8.	ADDITIONAL ARTICLES 

 The Supplier shall issue a valid VAT invoice
within seven (7) days upon shipment of each batch of products. 
  

	9.	This Contract shall be made and executed in duplicate, one for each party hereto. This Contract shall become effective as of being duly executed by both parties. Facsimile
copy hereof shall be effective and valid. 

  

	10.	Anything not covered herein shall be settled by both parties through friendly negotiations. 

 Authorized Representative of Supplier: Wang Feng 
 Seal of Supplier: Beijing Oriental Keyuan Crystal Technology Co., Ltd.
(Seal) 
 Date: June 2, 2006 
 Authorized Representative of
Purchaser: /s/ 
 Seal of Purchaser: Zhejiang Yuhui Solar Energy Source Co., Ltd. (Seal) 
 Date: