[FORM 10-Q (Mark One) x For the quarterly period ended June 30, 2012 o For the transition period from __________ to __________ CLEANTECH SOLUTIONS INTERNATIONAL, INC. NEVADA 90-0648920 (State or other jurisdiction of incorporation of organization) (I.R.S. Employer Identification No.) No. 9 Yanyu Middle Road Qianzhou Township, Huishan District, Wuxi City Jiangsu Province, China 150090 (86) 51083397559 x o x] [SARBANES-OXLEY ACT OF 2002 I, Jianhua Wu, certify that: 1. 2. 3. 4. a) b) designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted] [CERTIFICATION OF PRINCIPAL FINANCIAL AND ACCOUNTING OFFICER SARBANES-OXLEY ACT OF 2002 I, Wanfen Xu, certify that: 1. 2. 3. 4. a) b) designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for] [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 f10q0612ex32i_cleantech.htm SECTION 1350 CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND]

[FORM 10-Q (Mark One) x For the quarterly period ended June 30, 2012 o For the transition period from __________ to __________ CLEANTECH SOLUTIONS INTERNATIONAL, NEVADA 90-0648920 (State or other jurisdiction oforporation of organization) (I.R.S. Employer Identification No.) No. 9 Yanyu Middle Road Qianzhou Township, Huishan District, Wuxi City] [SARBANES-OXLEY ACT OF 2002 I, Jianhua Wu, certify that: 1. 2. 3. 4. a) b) designed such internalntrol over financial reporting, orused such internalntrol over financial reporting to be designed under our supervision, to provide reasonablesurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally] [CERTIFICATION OF PRINCIPAL FINANCIAL AND ACCOUNTING OFFICERRBANES-OXLEY ACT OF 2002 I, Wanfen Xu, certify that: 1. 2. 3. 4. a) b) designed such internalntrol over financial reporting, orused such internalntrol over financial reporting to be designed under our supervision, to provide reasonablesurance regarding the reliability of financial reporting and the preparation of financial statements for] [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 (Principal Accounting Officer SECTION 1350 CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER]

[FORM 10-Q (Mark One) x For the quarterly period ended June 30, 2012 o For the transition period from __________ to __________ CLEANTECH SOLUTIONS INTERNATIONAL, NEVADA 90-0648920 (State or other jurisdiction oforporation of organization) (I.R.S. Employer Identification No.) No. 9 Yanyu Middle Road Qianzhou Township, Huishan District, Wuxi City] [SARBANES-OXLEY ACT OF 2002 I, Jianhua Wu, certify that: 1. 2. 3. 4. a) b) designed such internalntrol over financial reporting, orused such internalntrol over financial reporting to be designed under our supervision, to provide reasonablesurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally] [CERTIFICATION OF PRINCIPAL FINANCIAL AND ACCOUNTING OFFICERRBANES-OXLEY ACT OF 2002 I, Wanfen Xu, certify that: 1. 2. 3. 4. a) b) designed such internalntrol over financial reporting, orused such internalntrol over financial reporting to be designed under our supervision, to provide reasonablesurance regarding the reliability of financial reporting and the preparation of financial statements for] [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 (Principal Accounting Officer SECTION 1350 CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER]