Zhejiang Hongsen Machinery Co., Ltd was founded in 1992, which devotes itself in the R&D and manufacture of various valves in refrigeration and air conditioning system. In the past years, Hongsen Machnery staffs persistently adhere to open up, keep forging ahead and never rest content with their achivvements. They insist on new and high -tech as the guidance in the development and pursue the sustainable development road with high productivity and quality effciency.

Hongsen Machinery covers a land area of 7, 300 square meters. There are over 200 staffs and workers including a specialty team of ten techicians. Hongsen Machinery has a close cooperation with the professors and experts in Zhejang University, Shanghai Univercity and Tianjin Univercity and several senior engineers of leading domestic OEMS are invited as the consultants of the company. A number of technical talents are trained in production, development and quality control and grow up in the company. At present, Hongsen Machinery is capable to manfacture multiple categories of refrigeration and A/C accessory parts such as solenoid valve series, ball valve series, sight glass series, expansion valve series and shut off valve series. Hongsen Machinery becomes one company integrationing R&D, production and marketing into one.