Changshu High-Tech Energy-Saving Dorwin Co., Ltd.

Changshu High-Tech Energy-Saving Dorwin Co., Ltd. (CSOTK) is a specialized manufacturer and exporter based in Suzhou, Jiangsu province, China. Established in 2009, the company is a recognized leader in the building energy-saving sector, operating a 5,400-square-meter production facility with an annual output capacity of up to 300,000 square meters. CSOTK focuses on the independent research, development, and production of advanced blind-between-glass and hollow shutter glass systems, holding completely independent intellectual property rights for its core technologies. The company even contributed to the editing of the national industry standard for sealed insulating glass units with internal shading. Their comprehensive product portfolio includes motorized and rechargeable hollow shutter glass, magnetic-controlled blinds, electric horizontal blinds, and wrought iron insulating glass. Bey