Chinese Valve, Flange & pipe fitting supplier: Wenzhou Zhouyi valve factory, specialized in manufacturing stainless steel and carbon steel Valve,Flange and pipe fittings. Now we have been a member body of China Valve lndustry Association, Standing Deputy Exhibition Unit of China Valve City, and an organization with the certificate of ISO 9001-2000 quality systems. We produce according to the GB, ASME/ANSI, DIN or the requirement from customer. We are professional manufacturer offering a comprehensive range of valves with "ZHOUYI" branding, which include stainless-steel or carbon-steel ball valve, gate valve, globe valve, check valve and Y strainers. The mail material is 301, 304, 304L, 316, 316L, WCB and so on.