Coupling, Valve Parts, Pump Parts manufacturer / supplier in China, offering Factory Direct Sale 1500 Psi High Pressure Duplex Stainless Steel 2205 2507 CE3mn 26.9mm 0.75 3/4 Inch Victaulics Flexible Couplings, Factory Outlet High Temperature Resistant Stainless Steel Large Size 139.7mm 5 Inch High Pressure 1200 Psi Flexible Couplings, Famous Brand Fast Delivery Applied for Reverse Osmosis System Stainless Steel High Pressure 73mm 2.5 Inch Grooved Couplings and so on.