Alloy Tubing, Seamless Tubing, Nickel Alloy Tubing manufacturer / supplier in China, offering High-Quality Stainless Steel Female Elbow, Corrosion-Resistant, for Pipeline Connections, Nai-Lok Alloy Hc276 Sampling System Double End 1/4 Female NPT 1800psi 300ml 500ml Seamless Steel Gas Sample Cylinder, Nai-Lok Stainless Steel 316 Double End 1/4 Female NPT Alloy 625 Seamless Sample Cylinder for LNG CNG Gas Station Sampling System and so on.