High Pressure Valve, Ball Valve, Pressure Regulator manufacturer / supplier in China, offering Nai-Lok SS316 High Precision Instrumentation Needle Valve 1/4" Male Connector X BSPP Female, Stainless Steel 316 Double Ferrule Compression Tube Fitting Super-Duplex Steel 2507 2205 Union Male Connector Cap Pipe Fitting, Nai-Lok High Quality 1/2" Single and Double Block and Bleed Valve Mono Flange Valve and so on.