Zhejiang Longgong Valves Technology Co., Ltd.  

Zhejiang LongGong Valve Technology Co., Ltd is a valve manufacturer for industrial valves&Valve casting based in Wenzhou, China. With our highly experienced R&D team, advanced technology & facilities, industrial certifications, excellent customer services, superior quality and competative pricing, LongGong Valve is the manufacturer you can rely on. The product category, materials applied and executive standards mainly produced in LONGGONG company is listed below: 1. Category: Ball valve, Gate valve, Globe valve, Check valve, Valve Casting etc; 2. Executive standards: API, DIN, BS, JIS, GB, ISO and so on; 3. Materials: CF8(F304), CF8M(F316), CF3(304L), CF3M(316L), WCB(A105), LCB(LF2), C5(F5), WC6(F11), 4A(F51) and so on; 4. Diameter: 1/4"-24"(DN6-DN600); 5. Pressure: 200WOG-6000WOG, CLASS 150~CLASS2500, PN16-PN420; Longgong valve has obtained certifications of IS0 9001 quality management system certificate, the special equipment manufacturing license (TS) and so on. Our persisten... [View More..]