UL/FM Ductile iron grooved fittings

Hangers and Supports

Steel Nipples

Hole Cutting Machine

Pipe Cutting Machine

Pipe Grooving Machine

Ball Valves

Forged steel fittings

Butt Welded pipe fittings

CASTING VALVES

Stainless steel flanges

TORQUE LIMITER COUPLINGS

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, electric power, chemical industries, fire protection etc.