[FORM 10-K (Mark One) x For the fiscal year ended December 31, 2011 or o For the transition period from ______________ to ______________ CLEANTECH SOLUTIONS INTERNATIONAL, ( ) DELAWARE 90-0648920 ( (I.R.S. Employer Identification No.) No. 9 Yanyu Middle Road Qianzhou Village, Huishan District, Wuxi City Jiangsu Province, China 214181] [Delaware PAGE 1 The First State I, JEFFREY W. BULLOCK, SECRETARY OF STATE OF THE STATE OF DELAWARE, DO HEREBY CERTIFY THE ATTACHED ARE TRUE ANDRRECTPIES OFL DOCUMENTS FILED FROM ANDLUDING THE RESTATED CERTIFICATE OR A MERGER WITH A RESTATED CERTIFICATE ATTACHED OF "CLEANTECH SOLUTIONS INTERNATIONAL," RECEIVED AND FILED IN THIS OFFICE.] [LIST OF SUBSIDIARIES Name Ownership % Fulland, Limited, ayman Islands limited liabilitympany. 100% owned 100% Green Power Environment Technology (Shanghai) a wholly foreign-owned enterprise organized under the laws of the Peoples Republic of China and wholly-owned by Fulland Limited 100% Wuxi Fulland Wind Energy Equipment a wholly foreign-owned enterprise organized under the laws of the] [CONSENT OF INDEPENDENT REGISTERED ACCOUNTING FIRM Wensent to theorporation by reference in the registration statement of China Wind Systems, on Form S-8, File No. 333-165931, of our reportted March27 , 2012 for the years ended December 31, 2011 and December 31, 2010, appearing in the annual report on Form 10-K of Cleantech Solutions International, for] [SARBANES-OXLEY ACT OF 2002 I, Jianhua Wu, certify that: 1.I have reviewed this annual report on Form 10-K of Cleantech Solutions International,; 2.Based on my knowledge, this annual report does notntain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the] [CERTIFICATION OF PRINCIPAL FINANCIAL OFFICERRBANES-OXLEY ACT OF 2002 I, Wanfen Xu, certify that: 1.I have reviewed this annual report on Form 10-K of Cleantech Solutions International,; 2.Based on my knowledge, this annual report does notntain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made,] [18 U.S.C. SECTION 1350, SECTION 906 OF THERBANES-OXLEY ACT OF 2002 (1) (2) The informationntained in the Report fairly presents, inl material respects, the financialndition and results of operations of thempany. Jianhua Wu Chief Executive Officer Wanfen Xu Chief Financial Officer and Principal Financial and Accounting Officer]