Steel Pipe, Cold Drawn Precision Seamless Steel Pipe, Precision Seamless Steel Tubes manufacturer / supplier in China, offering Cold Rolled Precision Seamless Tubes ± 0.05mm Tolerance Ra ≤ 0.8μ M Finish Custom Sizes Available, High-Temperature Resistant 12cr1movg Precision Seamless Tubes ASME SA213 Certified, API 5L X65 Precision Seamless Steel Pipes for Oil & Gas Anti-Corrosion Coating Custom Sizes Available and so on.