1. PFA valve since its establishment, it has been focusing on industrial temperature control. currently, it has two production bases in the north and south china: zhejiang jiangshan production base and shandong jinan production base. the company is equipped with a professional technical team, with strong r&d reserve resources and rich practical experience. it is an enterprise specializing in the production of temperature control equipment and providing one-stop service for temperature control systems. 1 a national high-tech enterprise with pneumatic regulating valve, pressure reducing valve, temperature control valve, self-operated regulating valve, butterfly valve, regulating ball valve, and cutting valve, and has obtained the "special equipment manufacturing license" 30 valve

shangyu fan (shaoxing shangyu fan sales co., ltd.) is the shangyu fan manufacturing headquarters, which develops and sells shangyu fan series fans. it is generally referred to as zhejiang shangyu fan in the market. the company is located in shangyu shangpu industrial park, zhejiang, the national fan industry base. it is a domestic advanced fan supplier of fire smoke exhaust and hvac systems.