Stainless Steel, Copper, Aluminum manufacturer / supplier in China, offering G3458 A335-P5 A389-Fp5 1.7362 Spiral Welded Pipe Carbon Steel, G3458 G3462 A335-P22 1.7380 A199-T22 Spiral Welded Pipe Carbon Steel, T91 (A335-P91) Epoxy Coating Anti-Corrosion Spiral Welded Carbon Steel Pipes and so on.