Alloy Tubing, Seamless Tubing, Nickel Alloy Tubing manufacturer / supplier in China, offering Nai-Lok Ng Needle Valve, 4000psi, 1/4"Mnpt, Alloy400, Nai-Lok Tube Fitting Male NPT Elbow, 1/4′′mnpt X 1/4′′male Face Seal, SS316, High Pressure Udb Diaphragm Valve Pressure: 2900psig Size: 1/2′′ Male Face Seal and so on.