Cleantech Solutions International Inc was incorporated in Delaware on June 24, 1987 under the name of Malex, Inc. On December 18, 2007, the Company's corporate name was changed to China Wind Systems, Inc., and on June 13, 2011, the Company's corporate name was changed to Cleantech Solutions International, Inc. The Company through its subsidiaries manufactures and sells forged products and fabricated products to clean technology customers including high precision forged rolled rings and related products for the wind power industry and other industries and manufactures and sells textile dyeing and finishing machines. The Company's operating business segments are Dyeing and finishing equipment segment, Forged rolled rings and related components segment, and Petroleum and chemical equipment segment. The Dyeing and finishing equipment segment, Forged rolled rings and related components segment, and Petroleum and chemical equipment segment. The dyeing and finishing equipment segment is engaged in designing, manufacturing and distribution of line of proprietary high and low temperature dyeing and finishing machinery to the textile industry. Its products feature both automation and mechanical-electrical integration. The products of this segment are used in dyeing yarns such as pure cotton, cotton-polyester, terylene, polyester wool, poly-acrylic fiber, nylon, cotton ramie, and wool yarn. The forged rolled rings and other related products segment produces precision forged rolled rings and other forged components to the energy industry including wind power and other industries. The forged rolled rings and other related products are sold for use by manufacturers of industrial equipment for the various industries. Forged rolled rings and other forged components for the wind industry are used in wind turbines, which are used to generate wind power. Through petroleum and chemical equipment segment, the Company produces and sells coal chemical equipment, formaldehyde plant and downstream products, a variety of heat exchangers, separators, tanks, towers, cryogenic equipment, reaction kettles and other products to petroleum and chemical industries. The Company has developed a new air-fluid, dual-use dyeing machine which uses both air flow and fluid flow in the dyeing process. It allows users to customize the dyeing process according to the specific type of textile. It is equipped with a series of specialized and patented components, including nozzles, cloth wheels and cloth spreaders, which are designed to permit greater color evenness and reduce defects. The Company rolled rings and flanges are currently sold to companies in various cities and provinces throughout China including Luoyang, Shenyang, Zhenjiang province, and Jiangsu province, Qingdao, Jinan, Shanghai, Chongqing, Beijing and Zhengzhou. Stainless steel is the principal raw material for the manufacture of all of its products. The Company purchases stainless steel tubes from Wuxi City Zhongtian Stainless Steel Co., Ltd. and stainless steel plates from Wuxi City Fanshun Materials Co., Ltd. The Company faces competition from both domestic and foreign suppliers. Its chief competitor is Fong's National Engineering (Shenzhen) Co., Ltd. The Company's operations are subject to regulations promulgated by China's Environmental Protection Administration, Jiangsu Province Environmental Protection Administration and the Wuxi City Environmental Administration.