Coupling, Valve Parts, Pump Parts manufacturer / supplier in China, offering 300psi Pass Black Nylon Corrosion Resistance Plastic Flexible Couplings, Anti-Corrosion 48.3mm/1.5′′ 350psi Low Pressure S. S Coupling Clamp Pipe Connector for Pipe Systems, in Stock 60.3mm/2′′ 600psi Medium Pressure Stainless Steel Couplings Pipe Fittings Clamps for RO System and so on.