Coupling, Valve Parts, Pump Parts manufacturer / supplier in China, offering From Low to Ultra High Pressure 3/4′′-12′′/DN20-DN300 Grooved Pipe Fittings Flexible S. S Coupling, Versatile Ductile Iron/Nylon/Stainless Steel Pipe Fittings with Flexible Coupling Clamps for Water, Diverse Material Stainless Steel/Nylon//Ductile Iron Grooved Flexible Coupling Clamp Pipe Fittings and so on.