Diaphragm Valve, Compression Fitting, Tube Fitting manufacturer / supplier in China, offering 1000psi Input 0~75psi Output Stainless Steel Pressure Reducer NPT Thread Connector, 600psi Input 100psi Output Pressure Regulator for Gas Pipeline, Panel Mounting N2 O2 CO2 Gas 1/4" 3/8" NPT Regulator Instrumentation and so on.