Pipe Fittings, Flanges, Valves manufacturer / supplier in China, offering 150# ASME B16.3 B16.14 Galvanized Elbows Malleable Iron Pipe Fittings, Casting Iron Grooved Valve Backflow Preventer for Fire Protection System Use, Steel Seismic Bracing Pipe Clamp Construction Hanger Accessory Zinc-Plated Strut Clamps and so on.