Coupling, Valve Parts, Pump Parts manufacturer / supplier in China, offering ISO Certificated 73mm Low Pressure Stainless Steel Pipe Fittings Grooved Flexible Coupling Clamp, Stainless Steel 42.4mm Grooved Joint High Pressure Coupling Clamp Pipe Fittings with ANSI DIN BS, Genuine High Performance Medium Pressure 600 Psi 26.9mm/3/4 Inch 0.75 Inch Stainless Steel Grooved Couplings and so on.