Alloy Tubing, Seamless Tubing, Nickel Alloy Tubing manufacturer / supplier in China, offering Nailok DOT Certificate Sample Cylinders for Oil Gas and Laboratory Use, High Pressure Ball Valve 6000psi NPT Threaded Type Stainless Steel, Nai-Lok ASTM A269 316L Stainless Steel Seamless Pipe 1/8" Od × 0.028" Wall Bright Annealed Coil Tube and so on.