High Pressure Valve, Ball Valve, Pressure Regulator manufacturer / supplier in China, offering ASTM A269 1/4 Od Bright Annealing Laboratory Stainless Steel Seamless Tube Electropolished High Pressure Tubing, Stainless Steel 316 A269 Seamless Coil Tube 1/4 1/8 Bright Annealing Tubing, Nai Lok Super Duplex 2205 2 Way Manifold Valve Instrument Alloy 400 Block and Bleed 1/2 NPT Gauge Root Valve and so on.