[FORM 10-Q (Mark One) x For the quarterly period ended September 30, 2011 o For the transition period from __________ to __________ CLEANTECH SOLUTIONS INTERNATIONAL, DELAWARE (State or other jurisdiction oforporation of organization) 74-2235008 (I.R.S. EmployerIdentification No.) No. 9 Yanyu Middle Road Qianzhou Township, Huishan District, Wuxi City Jiangsu Province, China 150090] [SARBANES-OXLEY ACT OF 2002 I, Jianhua Wu, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Cleantech Solutions International,; 2.Based on my knowledge, this 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 circumstances] [CERTIFICATION OF PRINCIPAL FINANCIAL AND ACCOUNTING OFFICERRBANES-OXLEY ACT OF 2002 I, Fernando, Liu, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Cleantech Solutions International,; 2.Based on my knowledge, this report does notntain any untrue statement of a material fact or omit to state a material fact necessary to make the statements] [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 Fernando Liu Chief Financial Officer (Principal Accounting Officer f10q0911ex32i_cleantech.htm 4]