High Pressure Valve, Ball Valve, Pressure Regulator manufacturer / supplier in China, offering Nai-Lok Manifolds Gauge Valve with 1/4" Vent Port High Pressure 6000psi Stainless Steel 316, Nai-Lok Monel 400 Root Valve 6000psi 1/2" Fnpt Multi-Port Manifold High Pressure Extended Long Gauge Valve for Oil/Gas Instrumentation, Nailok Ferrules Fitting Instrumentation Connector Stainless Steel Tube Union Tee and so on.