[Company Contact: Mr. Adam Wasserman Chief Financial Officer Cleantech Solutions International, Inc. Email: adamw@cleantechsolutionsinternational.com Web: www.cleantechsolutionsinternational.com Elaine Ketchmere, CFA CCG Investor Relations Tel: +1 310 954-1345 Email: Elaine.Ketchmere@ccgir.com www.ccgirasia.com Web: Cleantech Solutions International Reports First Quarter 2013 Results Wuxi, Jiangsu Province, China May 15, 2013 “We got off to a strong start in 2013, achieving significant growth in revenue and] [Company Contact Cleantech Solutions International, Inc. Mr. Adam Wasserman, Chief Financial Officer E-mail: adamw@cleantechsolutionsinternational.com Web: www.cleantechsolutionsinternational.com Investor Relations Contact CCG Investor Relations Ms. Elaine Ketchmere, CFA Tel: +1-310-954-1345 elaine.ketchmere@ccgir.com Email: Web: www.ccgirasia.com Cleantech Solutions International Announces Conference Call to Discuss First Quarter 2013 Financial Results WUXI, Jiangsu, China, May 15, 2013 - Mr. Ryan Hua, Vice President of Operations, and]

[Companyntact: Mr.am Wasserman Chief Financial Officer Cleantech Solutions International, Email:amw@cleantechsolutionsinternational.com Web: www.cleantechsolutionsinternational.com Elaine Ketchmere, CFA CCG Investor Relations Tel: +1 310 954-1345 Email: Elaine.Ketchmere@ccgir.com www.ccgirasia.com Web: Cleantech Solutions International Reports First Quarter 2013 Results Wuxi, Jiangsu Province, China May 15, 2013 First Quarter 2013 Results Revenue for the first quarter of 2013reased 47.6% to $13.9] [Companyntact Cleantech Solutions International, Mr.am Wasserman, Chief Financial Officer E-mail:amw@cleantechsolutionsinternational.com Web: www.cleantechsolutionsinternational.com Investor Relationsntact CCG Investor Relations Ms. Elaine Ketchmere, CFA Tel: +1-310-954-1345 elaine.ketchmere@ccgir.com Email: Web: www.ccgirasia.com Cleantech Solutions International Announcesnferencell to Discuss First Quarter 2013 Financial Results WUXI, Jiangsu, China, May 15, 2013 -]

[Companyntact: Mr.am Wasserman Chief Financial Officer Cleantech Solutions International, Email:amw@cleantechsolutionsinternational.com Web: www.cleantechsolutionsinternational.com Elaine Ketchmere, CFA CCG Investor Relations Tel: +1 310 954-1345 Email: Elaine.Ketchmere@ccgir.com www.ccgirasia.com Web: Cleantech Solutions International Reports First Quarter 2013 Results Wuxi, Jiangsu Province, China May 15, 2013 First Quarter 2013 Results Revenue for the first quarter of 2013reased 47.6% to $13.9] [Companyntact Cleantech Solutions International, Mr.am Wasserman, Chief Financial Officer E-mail:amw@cleantechsolutionsinternational.com Web: www.cleantechsolutionsinternational.com Investor Relationsntact CCG Investor Relations Ms. Elaine Ketchmere, CFA Tel: +1-310-954-1345 elaine.ketchmere@ccgir.com Email: Web: www.ccgirasia.com Cleantech Solutions International Announcesnferencell to Discuss First Quarter 2013 Financial Results WUXI, Jiangsu, China, May 15, 2013 -]

[Company Contact: Mr. Adam Wasserman Chief Financial Officer Cleantech Solutions International, Inc. Email: adamw@cleantechsolutionsinternational.com Web: www.cleantechsolutionsinternational.com Elaine Ketchmere, CFA CCG Investor Relations Tel: +1 310 954-1345 Email: Elaine.Ketchmere@ccgir.com www.ccgirasia.com Web: Cleantech Solutions International Reports First Quarter 2013 Results Wuxi, Jiangsu Province, China May 15, 2013 We got off to a strong start in 2013, achieving], [Company Contact Cleantech Solutions International, Inc. Mr. Adam Wasserman, Chief Financial Officer E-mail: adamw@cleantechsolutionsinternational.com Web: www.cleantechsolutionsinternational.com Investor Relations Contact CCG Investor Relations Ms. Elaine Ketchmere, CFA Tel: +1-310-954-1345 elaine.ketchmere@ccgir.com Email: Web: www.ccgirasia.com Cleantech Solutions International Announces Conference Call to Discuss First Quarter 2013 Financial Results WUXI, Jiangsu, China, May 15, 2013 -]