High Pressure Valve, Ball Valve, Pressure Regulator manufacturer / supplier in China, offering Alloy 400 Needle Valve 6000psi, 1/2" Male X Female with Vent Port & Bleed Plug Nailok, Nailok Tescom Type Dual Stage Pressure Regulator Adjustable Air Gas Pressure Regulator, Nailok Helium Cylinder Regulator for Corrisive Gas Cga Bsp Connection High Purity Gas System Pressure Regulator and so on.