Valve, Tube Fitting, Valve Manifold manufacturer / supplier in China, offering 15000psi 1/4 High Pressure Needle Valve for Gas Hip SS316, 15000psi Ultra-High Pressure Angle Pattern Manual Control Needle Valve Hydraulic Valve SS316, Needle Valve 10000psi Straight Pattern Stainless Steel 316 Hydrogen Needle Valve and so on.