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Hongsen·The Quality

Zhejiang Hongsen Machinery Co., Ltd. is a national high-tech enterprise specialized in the R&D, production and marketing of various valve parts of refrigeration and air-conditioning, overhauling tools, refrigerant recovery and filling machines. As a key backbone enterprise of the domestic refrigeration part industry, the company is the exclusive unit drafting the industrial standard of “Refrigerant Recovery Machines” and “Refrigerant Filling Machines” as well as a unit involved in the drafting of the national standard of “Solenoid Valves”, “One-Way Valves” and “Ball Valves”.

Founded in February 1993, the company was previously known as Zhuji Refrigeration Valve Tool Factory. In September 1998, Zhuji Hongsen Machinery Co., Ltd. was established, and in August 2008, it was upgraded to be Zhejiang Hongsen Machinery Co., Ltd.

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