[TABLE OF CONTENTS] [Contract No.: GP/CG210245 Sales Contract Contract No.: NPM111009 Buyer: China Sunergy (Nanjing) Co., Ltd. Address: No. 123, Focheng West Road, Jiangning Economic and Technological Development Zone, Nanjing Seller: Suzhou GCL Photovoltaic Technology Co., Ltd. Address: No. 68, Kunlunshan Road, Hi-tech Zone, Suzhou Non-competition article: the buyer undertakes that, within the valid period of original contract and supplemental agreement, total capacity] [China Sunergy (Nanjing) Co., Ltd CSUN-RE-LE-0010 CSUN Silicon Wafers (Materials) Purchase Contract Contract No.: NPM111186 Seller: CEEG (Nanjing) Semiconductor Co., Ltd. Buyer: China Sunergy (Nanjing) Co., Ltd. Address: No.6, Shuige Road, Jiangning Economic & Technological Development Zone, Nanjing Address: No.123, Focheng West Road, Jiangning Economic & Technological Development Zone, Nanjing Contact person of Contract: Zhang Yang Contact person of Contract:] [China Sunergy (Nanjing) Co., Ltd CSUN-RE-LE-0010 CSUN Silicon Wafers (Materials) Purchase Contract NPM111032 Contract No.: Jiangning District, Nanjing Seller: CEEG (Nanjing) Semiconductor Co., Ltd. Buyer: China Sunergy (Nanjing) Co., Ltd. Address: No.6, Shuige Road, Jiangning Economic & Technological Development Zone, Nanjing Address: No.123, Focheng West Road, Jiangning Economic & Technological Development Zone, Nanjing Contact person of Contract: Zhang Yang Contact] [China Sunergy (Nanjing) Co., Ltd CSUN-RE-LE-0010 CSUN Silicon Wafers (Materials) Purchase Contract NPM111096 Contract No.: Jiangning District, Nanjing Seller: CEEG (Nanjing) Semiconductor Co., Ltd. Buyer: China Sunergy (Nanjing) Co., Ltd. Address: No.6, Shuige Road, Jiangning Economic & Technological Development Zone, Nanjing Address: No.123, Focheng West Road, Jiangning Economic & Technological Development Zone, Nanjing Contact person of Contract: Zhang Yang Contact] [China Sunergy (Nanjing) Co., Ltd CSUN-RE-LE-0010 CSUN Silicon Wafers (Materials) Purchase Contract NPM111105 Contract No.: Jiangning District, Nanjing Seller: CEEG (Nanjing) Semiconductor Co., Ltd. Buyer: China Sunergy (Nanjing) Co., Ltd. Address: No.6, Shuige Road, Jiangning Economic & Technological Development Zone, Nanjing Address: No.123, Focheng West Road, Jiangning Economic & Technological Development Zone, Nanjing Contact person of Contract: Zhang Yang Contact] [China Sunergy (Nanjing) Co., Ltd CSUN-RE-LE-0010 CSUN Silicon Wafers (Materials) Purchase Contract NPM111125 Contract No.: Jiangning District, Nanjing Seller: CEEG (Nanjing) Semiconductor Co., Ltd. Buyer: China Sunergy (Nanjing) Co., Ltd. Address: No.6, Shuige Road, Jiangning Economic & Technological Development Zone, Nanjing Address: No.123, Focheng West Road, Jiangning Economic & Technological Development Zone, Nanjing Contact person of Contract: Zhang Yang Contact] [China Sunergy (Nanjing) Co., Ltd CSUN-RE-LE-0010 CSUN Silicon Wafers (Materials) Purchase Contract NPM11118605 Contract No.: Jiangning District, Nanjing Seller: CEEG (Nanjing) Semiconductor Co., Ltd. Buyer: China Sunergy (Nanjing) Co., Ltd. Address: No.6, Shuige Road, Jiangning Economic & Technological Development Zone, Nanjing Address: No.123, Focheng West Road, Jiangning Economic & Technological Development Zone, Nanjing Contact person of Contract: Zhang Yang Contact] [Sales Contract Contract No.: NSP11006 Seller: China Sunergy (Nanjing) Co., Ltd. Address: No.123, Focheng West Road, Jiangning Economic & Technological Development Zone, Nanjing Tel: 025-52766609 Fax: 025-52766767 Buyer: CEEG (Nanjing) Solar Research Institute Co., Ltd. Address: No.6, Shuige Road, Jiangning Economic & Technological Development Zone, Nanjing Tel: 025-52095914 Fax: 025-52095914 Through friendly negotiation of both parties, on the basis of] [Sales Contract Contract No.: NSP11007 Seller: China Sunergy (Nanjing) Co., Ltd. Address: No.123, Focheng West Road, Jiangning Economic & Technological Development Zone, Nanjing Tel: 025-52766609 Fax: 025-52766767 Buyer: CEEG (Nanjing) Solar Research Institute Co., Ltd. Address: No.6, Shuige Road, Jiangning Economic & Technological Development Zone, Nanjing Tel: 025-52095914 Fax: 025-52095914 Through friendly negotiation of both parties, on the basis of] [Agreement Party A: CEEG (Nanjing) Renewable Energy Co., Ltd. Party B: CEEG (Nanjing) Solar Research Institute Co., Ltd. Party C: China Electric Equipment Group Co., Ltd. Party D: CEEG (Nanjing) Semiconductor Co., Ltd. Party E: CEEG Nanjing International Trade Co. Ltd. Party F: CEEG (Nanjing) Special Transformer Co., Ltd. Party G: CEEG (Jiangsu) Insulative New Material Co., Ltd. Thereinafter referred] [No.: 7110032 Maximum Guarantee Contract (Applicable to Limited Guarantee Amount Contract) Jiangsu Branch of Bank of Communications Co., Ltd. Printed in June 2010 No.: Maximum Guarantee Contract Important Notes The guarantor shall carefully read the whole text of the contract, especially articles indicated with the mark▲▲. In case of any doubts, please submit them to the Creditor in time for] [No.: 7110033 Maximum Guarantee Contract (Applicable to Limited Guarantee Amount Contract) Jiangsu Branch of Bank of Communications Co., Ltd. Printed in June 2010 No.: Maximum Guarantee Contract Important Notes The guarantor shall carefully read the whole text of the contract, especially articles indicated with the mark▲▲. In case of any doubts, please submit them to the Creditor in time for] [Maximum Guarantee Contract Important Notes The Guarantor shall carefully read the whole text of the contract. In case of any doubts, please submit them to the Creditor in time for explanations. Jiangsu Xinde Asset Management Co., Ltd. Guarantor: No.6, Shuige Road, Jiangning Economic & Technological Development Zone Legal address: Lu Tingxiu Legal representative: the same as above Correspondence address: 210000] [No. 2012 Heng Yin Gao Bao Zi No. 0210228048 Maximum Guarantee Contract (Applicable to Unlimited Guarantee Amount Contract) EVERGROWING BANK ______ No. 2012 Heng Yin Gao Bao Zi No. 0210228048 Maximum Guarantee Contract Important Notes The Guarantor shall carefully read the whole text of the contract, especially articles indicated with the mark ■■ . In case of any doubts, please] [Security Agreement on Maximum Amount Guarantee No: Guarantor: China Electric Equipment Group Co., Ltd. (hereafter refers to as “Party A”) Guarantee: China Sunergy (Nanjing) Co., Ltd. and its subsidiary (hereafter refers to as “Party B”) Party B needs the foreign financing loan in order to expand the production and management. Party A shall voluntarily provide the guarantee for the relevant] [Facility Lease Agreement Contract No.:XMO12021 Lessor: CEEG (Nanjing) Special Transformer Co., Ltd. (hereinafter referred to as "Party A") Lessee: CEEG (Nanjing) Renewable Energy Co., Ltd. (hereinafter referred to as "Party B") To solve problem of production and office of Party B, Party A and Party B are willing to sign following leasing agreement over the matter of production factory lease] [Facility Lease Agreement of China Electronic Nanjing Science Technology Park Lessor: CEEG (Nanjing) Special Transformer Co., Ltd. Lessee: China Sunergy (Nanjing) Co., Ltd. Article 1 Leased Property: Factory and part of offices inside the company located in 6#, Shuige Road, Jiangning Development Zone, Nanjing. Article 2 Lease Term: The lease term is 3 years, the lessor delivers the factory to] [Contract No.: 3210812011CR0093 Electronic Supervision No.: 3210812011B00966 Contract for Assignment of Land Use Right of State-owned Construction land Formulated by Ministry of Land and Resources of the People’s Republic of China State Administration for Industry and Commerce of the People's Republic of China 1 Electronic Supervision No.:3210812011B00966 Contract for Assignment of Land Use Right of State-owned Construction land Parties to] [Contract No.: 3210812011CR0098 Electronic Supervision No.: 3210812011B01040 Contract for Assignment of Land Use Right of Formulated by Ministry of Land and Resources of the People’s Republic of China State Administration for Industry and Commerce of the People's Republic of China 1 Electronic Supervision No.: 3210812011B01040 Contract for Assignment of Land Use Right of State-owned Construction land Parties to this Contract:] [1. China Sunergy Co., Ltd., incorporated in the British Virgin Islands. 2. China Sunergy (Hong Kong) Co., Limited., incorporated in Hong Kong. 3. China Sunergy (Nanjing) Co., Ltd., incorporated in the People’s Republic of China. 4. China Sunergy Europe GmbH, incorporated in Germany. 5. China Sunergy (Shanghai) Co., Ltd., incorporated in the People’s Republic of China. 6. CEEG (Shanghai) Solar] [I, Stephen Zhifang Cai, certify that: 1. I have reviewed this annual report on Form 20-F of China Sunergy Co., Ltd. (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which] [Certification by the Principle Financial Officer I, Yongfei Chen, certify that: 1. I have reviewed this annual report on Form 20-F of China Sunergy Co., Ltd. (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light] [(1) (2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. ( Stephen Zhifang Cai Chief Executive Officer] [Certification by the Principal Financial Officer (1) (2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. Yongfei Chen Chief Financial Officer] [26 April, 2012 China Sunergy Co., Ltd. Matter No. No. 123 Focheng West Road Doc Ref: TT/jc/1016555 Jiangning E&D Zone Nanjing, Jiangsu, 211100 Direct line: (852) 2842 9523 China Teresa.Tsai@conyersdill.com Email: Dear Sirs, China Sunergy Co., Ltd. (the “Company”) Annual Report on Form 20-F Yours faithfully, Conyers Dill & Pearman (Cayman) Limited Conyers Dill & Pearman (Cayman) Limited] [Consent of Jun He Law offices, PRC Counsel April 26, 2012 CHINA SUNERGY CO., LTD. No. 123 Focheng West Road Jiangning Economic & Technical Development Zone, Nanjing, Jiangsu 211100, People’s Republic of China Dear Sir or Madam: We hereby consent to the references to us by CHINA SUNERGY CO., LTD. (“the Company”) under the heading “Risks Related to Doing Business] [CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM , We consent to the incorporation by reference in Registration Statement No. 333-148125 on Form S-8 and in Registration Statement No. 333-151518 on Form F-3 of our reports dated April 26, 2012, relating to the consolidated financial statements and financial statement schedule of China Sunergy Co., Ltd. Nanjing, China April 26, 2012]