[] [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, Inc.; 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] [CERTIFICATION OF PRINCIPAL FINANCIAL AND ACCOUNTING OFFICER SARBANES-OXLEY ACT OF 2002 I, Wanfen Xu, certify that: 1. I have reviewed this quarterly report on Form 10-Q of Cleantech Solutions International, Inc.; 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] [18 U.S.C. SECTION 1350, SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 (1) (2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. Jianhua Wu Chief Executive Officer Wanfen Xu Chief Financial Officer (Principal Accounting Officer) EX-32.1 4 f10q0616ex32i_cleantech.htm CERTIFICATION]