Zhejiang Extek Technology Co., Ltd. engages in the research and development, manufacture, and sale of heat exchangers in China. It offers coaxial sleeve, new shell and tube, plate, falling film and titanium heat exchangers; and evaporative condensers, liquid-cooled radiators and distributors for heating, hot water, refrigeration, data centers, industrial and agricultural production and other field applications. The company was incorporated in 2004 and is headquartered in Huzhou, China.