CLNT [Cleantech Solutions International] 8-K: Company Contact: Mr. Fernando Liu Chief Financial Officer

[Company Contact: Mr. Fernando Liu Chief Financial Officer Cleantech Solutions International, Inc. Tel: +86-137-6134-7367 fol@cleantechsolutionsinternational.com Email: Web: www.cleantechsolutionsinternational.com Investor Relations Contact: Ms. Elaine Ketchmere CCG Investor Relations Tel: +1-310-954-1345 elaine.ketchmere@ccgir.com Email: www.ccgirasia.com Web: Cleantech Solutions Receives Sample Orders for LED Lighting Equipment Components Wuxi, Jiangsu Province, China August 22, 2011 Cleantech Solutions expects to deliver]

CLNT [Cleantech Solutions International,] 8-K: (Original Filing)

[Company Contact: Mr. Fernando Liu Chief Financial Officer Cleantech Solutions International, Inc. Tel: +86-137-6134-7367 fol@cleantechsolutionsinternational.com Email: Web: www.cleantechsolutionsinternational.com Investor Relations Contact: Ms. Elaine Ketchmere CCG Investor Relations Tel: +1-310-954-1345 elaine.ketchmere@ccgir.com Email: www.ccgirasia.com Web: Cleantech Solutions International Second Quarter 2011 Results Wuxi, Jiangsu Province, China 0 “As anticipated, we faced a difficult pricing environment in our primary wind power market, resulting] [Company Contact: Mr. Fernando Liu Chief Financial Officer Cleantech Solutions International, Inc. Tel: +86-137-6134-7367 fol@cleantechsolutionsinternational.com Email: Web: www.cleantechsolutionsinternational.com Investor Relations Contact: Ms. Elaine Ketchmere CCG Investor Relations Tel: +1-310-954-1345 elaine.ketchmere@ccgir.com Email: www.ccgirasia.com Web: Cleantech Solutions Receives a New $2.3 million Purchase Order to Deliver Airflow Dyeing Machines Wuxi, Jiangsu Province, China August 16, 2011 In March 2011, Cleantech Solutions delivered]

CLNT [Cleantech Solutions International,] 8-K: Company Contact: Mr. Fernando Liu Chief Financial Officer

[Company Contact: Mr. Fernando Liu Chief Financial Officer Cleantech Solutions International, Inc. Tel: +86-137-6134-7367 fol@cleantechsolutionsinternational.com Email: Web: www.cleantechsolutionsinternational.com Investor Relations Contact: Ms. Elaine Ketchmere CCG Investor Relations Tel: +1-310-954-1345 elaine.ketchmere@ccgir.com Email: www.ccgirasia.com Web: Cleantech Solutions International Second Quarter 2011 Results Wuxi, Jiangsu Province, China 0 “As anticipated, we faced a difficult pricing environment in our primary wind power market, resulting] [Company Contact: Mr. Fernando Liu Chief Financial Officer Cleantech Solutions International, Inc. Tel: +86-137-6134-7367 fol@cleantechsolutionsinternational.com Email: Web: www.cleantechsolutionsinternational.com Investor Relations Contact: Ms. Elaine Ketchmere CCG Investor Relations Tel: +1-310-954-1345 elaine.ketchmere@ccgir.com Email: www.ccgirasia.com Web: Cleantech Solutions Receives a New $2.3 million Purchase Order to Deliver Airflow Dyeing Machines Wuxi, Jiangsu Province, China August 16, 2011 In March 2011, Cleantech Solutions delivered]

CLNT [Cleantech Solutions International,] 8-K: Companyntact: Mr. Fernando Liu Chief Financial Officer Cleantech

[Companyntact: Mr. Fernando Liu Chief Financial Officer Cleantech Solutions International, Tel: +86-137-6134-7367 fol@cleantechsolutionsinternational.com Email: Web: www.cleantechsolutionsinternational.com Investor Relationsntact: Ms. Elaine Ketchmere CCG Investor Relations Tel: +1-310-954-1345 elaine.ketchmere@ccgir.com Email: www.ccgirasia.com Web: Cleantech Solutions International Second Quarter 2011 Results Wuxi, Jiangsu Province, China 0 anticipated, we faced a difficult pricing environment in our primary wind power market,] [Companyntact: Mr. Fernando Liu Chief Financial Officer Cleantech Solutions International, Tel: +86-137-6134-7367 fol@cleantechsolutionsinternational.com Email: Web: www.cleantechsolutionsinternational.com Investor Relationsntact: Ms. Elaine Ketchmere CCG Investor Relations Tel: +1-310-954-1345 elaine.ketchmere@ccgir.com Email: www.ccgirasia.com Web: Cleantech Solutions Receives a New $2.3 million Purchase Order to DeliverAirflow Dyeing Machines Wuxi, Jiangsu Province, China August 16, 2011]

CLNT [Cleantech Solutions International,] 8-K: (Original Filing)

[Companyntact: Mr. Fernando Liu Chief Financial Officer Cleantech Solutions International, Tel: +86-137-6134-7367 fol@cleantechsolutionsinternational.com Email: Web: www.cleantechsolutionsinternational.com Investor Relationsntact: Ms. Elaine Ketchmere CCG Investor Relations Tel: +1-310-954-1345 elaine.ketchmere@ccgir.com Email: www.ccgirasia.com Web: Cleantech Solutions International Second Quarter 2011 Results Wuxi, Jiangsu Province, China 0 anticipated, we faced a difficult pricing environment in our primary wind power market,] [Companyntact: Mr. Fernando Liu Chief Financial Officer Cleantech Solutions International, Tel: +86-137-6134-7367 fol@cleantechsolutionsinternational.com Email: Web: www.cleantechsolutionsinternational.com Investor Relationsntact: Ms. Elaine Ketchmere CCG Investor Relations Tel: +1-310-954-1345 elaine.ketchmere@ccgir.com Email: www.ccgirasia.com Web: Cleantech Solutions Receives a New $2.3 million Purchase Order to DeliverAirflow Dyeing Machines Wuxi, Jiangsu Province, China August 16, 2011]

CLNT [Cleantech Solutions International,] 8-K: (Original Filing)

[Companyntact: Mr. Fernando Liu Chief Financial Officer Cleantech Solutions International, Tel: +86-137-6134-7367 fol@cleantechsolutionsinternational.com Email: Web: www.cleantechsolutionsinternational.com Investor Relationsntact: Ms. Elaine Ketchmere CCG Investor Relations Tel: +1-310-954-1345 elaine.ketchmere@ccgir.com Email: www.ccgirasia.com Web: Cleantech Solutions International Second Quarter 2011 Results Wuxi, Jiangsu Province, China 0 anticipated, we faced a difficult pricing environment in our primary wind power market,] [Companyntact: Mr. Fernando Liu Chief Financial Officer Cleantech Solutions International, Tel: +86-137-6134-7367 fol@cleantechsolutionsinternational.com Email: Web: www.cleantechsolutionsinternational.com Investor Relationsntact: Ms. Elaine Ketchmere CCG Investor Relations Tel: +1-310-954-1345 elaine.ketchmere@ccgir.com Email: www.ccgirasia.com Web: Cleantech Solutions Receives a New $2.3 million Purchase Order to DeliverAirflow Dyeing Machines Wuxi, Jiangsu Province, China August 16, 2011]

CLNT [Cleantech Solutions International,] 8-K: Companyntact: Mr. Fernando Liu Chief Financial Officer Cleantech

[Companyntact: Mr. Fernando Liu Chief Financial Officer Cleantech Solutions International, Tel: +86-137-6134-7367 fol@cleantechsolutionsinternational.com Email: Web: www.cleantechsolutionsinternational.com Investor Relationsntact: Ms. Elaine Ketchmere CCG Investor Relations Tel: +1-310-954-1345 elaine.ketchmere@ccgir.com Email: www.ccgirasia.com Web: Cleantech Solutions International Second Quarter 2011 Results Wuxi, Jiangsu Province, China 0 anticipated, we faced a difficult pricing environment in our primary wind power market,] [Companyntact: Mr. Fernando Liu Chief Financial Officer Cleantech Solutions International, Tel: +86-137-6134-7367 fol@cleantechsolutionsinternational.com Email: Web: www.cleantechsolutionsinternational.com Investor Relationsntact: Ms. Elaine Ketchmere CCG Investor Relations Tel: +1-310-954-1345 elaine.ketchmere@ccgir.com Email: www.ccgirasia.com Web: Cleantech Solutions Receives a New $2.3 million Purchase Order to DeliverAirflow Dyeing Machines Wuxi, Jiangsu Province, China August 16, 2011]

CLNT [Cleantech Solutions International] 8-K: (Original Filing)

[Company Contact: Mr. Fernando Liu Chief Financial Officer Cleantech Solutions International, Inc. Tel: +86-137-6134-7367 fol@cleantechsolutionsinternational.com Email: Web: www.cleantechsolutionsinternational.com Investor Relations Contact: Ms. Elaine Ketchmere CCG Investor Relations Tel: +1-310-954-1345 elaine.ketchmere@ccgir.com Email: www.ccgirasia.com Web: Cleantech Solutions International Second Quarter 2011 Results Wuxi, Jiangsu Province, China 0 As anticipated, we faced a difficult pricing environment in our], [Company Contact: Mr. Fernando Liu Chief Financial Officer Cleantech Solutions International, Inc. Tel: +86-137-6134-7367 fol@cleantechsolutionsinternational.com Email: Web: www.cleantechsolutionsinternational.com Investor Relations Contact: Ms. Elaine Ketchmere CCG Investor Relations Tel: +1-310-954-1345 elaine.ketchmere@ccgir.com Email: www.ccgirasia.com Web: Cleantech Solutions Receives a New $2.3 million Purchase Order to DeliverAirflow Dyeing Machines Wuxi, Jiangsu Province, China August 16, 2011]

CLNT [Cleantech Solutions International] 8-K: Company Contact: Mr. Fernando Liu Chief Financial Officer

[Company Contact: Mr. Fernando Liu Chief Financial Officer Cleantech Solutions International, Inc. Tel: +86-137-6134-7367 fol@cleantechsolutionsinternational.com Email: Web: www.cleantechsolutionsinternational.com Investor Relations Contact: Ms. Elaine Ketchmere CCG Investor Relations Tel: +1-310-954-1345 elaine.ketchmere@ccgir.com Email: www.ccgirasia.com Web: Cleantech Solutions International Second Quarter 2011 Results Wuxi, Jiangsu Province, China 0 As anticipated, we faced a difficult pricing environment in our], [Company Contact: Mr. Fernando Liu Chief Financial Officer Cleantech Solutions International, Inc. Tel: +86-137-6134-7367 fol@cleantechsolutionsinternational.com Email: Web: www.cleantechsolutionsinternational.com Investor Relations Contact: Ms. Elaine Ketchmere CCG Investor Relations Tel: +1-310-954-1345 elaine.ketchmere@ccgir.com Email: www.ccgirasia.com Web: Cleantech Solutions Receives a New $2.3 million Purchase Order to DeliverAirflow Dyeing Machines Wuxi, Jiangsu Province, China August 16, 2011]

CLNT [Cleantech Solutions International,] 10-Q: (Original Filing)

[FORM 10-Q (Mark One) x For the quarterly period ended June 30, 2011 o For the transition period from __________ to __________ CLEANTECH SOLUTIONS INTERNATIONAL, INC. DELAWARE 74-2235008 (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 China Wind Systems,] [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, Fernando, Liu, 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 Fernando Liu Chief Financial Officer and Principal Accounting Officer]

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