Diaphragm Valve, Compression Fitting, Tube Fitting manufacturer / supplier in China, offering Wr1d Series Two-Stage High Pressure Regulator for CO2 O2 Acid Gas, Nitrogen Helium Oxygen Argon Pressure Regulator 3000psi Inlet 250psi Outlet for Laboratory Industrial Use, High Pressure Regulator for Nitrogen Helium Oxygen Argon & Acetylene 3000psi Inlet 250psi Outlet and so on.