China Check Valve Exporter Companies Lists in China Casting Products

HQ Pipeline co., ltd, is a professional manufacturer & exporter of all kinds of pipe fittings and valves in China: Forged Steel Pipe Fittings, Flanges, Butt Weld Pipe Fittings, Nipples and Coupling, UL/FM Ductile Iron Grooved Fittings and Grooved Couplings, Pipe Grooving Machine, Pipe Cutting Machine, Hole Cutting Machine, Gate Valve, Butterfly Valve, Check Valve, Strainers, Ball Valve...and OEM/ODM service, which are widely used in the field of petroleum, natural gas, ship building, metallurgy,.....