Alloy Tubing, Seamless Tubing, Nickel Alloy Tubing manufacturer / supplier in China, offering Socket Weld Pipe Fitting Female and Male Face Seal, 1/4"-1", Mono Flange Valve 1/2" Fnpt Alloy 625 Uns N06625 2" Flanged ASME B16.5 2500lb Rtj, Bo 3-Piece Ball Valve, with Lockable Pressure: 3000psisize: 3/4′′ Od and so on.