Customized Middle Clamp Check Valve Our History DONJOY built up in 1993, with registered capital RMB 105.58millions, land of 27000m2 and about 300 employees. Our Factory 27 years of R D and manufacturing of valves and pumps 15 years of R D and manufacturing of valve controllers More than 300 professional employees More than 200 intellectual property rights More than 30 international authority certifications More than 20 national and provincial honors Our Product Donjoy focus on developing high clean pump, the valve control unit, automatic control regulating valve, aseptic valve, piping and vessel safety control technology, vessel and tank cleaning technology, piping and vessel lighting technology, ASME BPE pipe fitting, aseptic pipeline accessories and high clean tubing fitting. Product Application biopharmaceutical, semiconductor, new energy, food, drink, wine, fine chemical and other industrial fields. Our Certificate ASME BPE, EHEDG, FDA and 3A standard, DONJOY got certificates of PED-97/23/EC and MD-06/42/EC issued by TUV, 3A issued by 3A organization, EU explosion proof ATEX, TS license, hygiene license, ISO9001:2008 and other international authorities.Customized Middle Clamp Check Valve website:http://www.donjoyflow.com/