Casing Pipe, Seamless Steel Pipe, High Pressure Boiler Tube manufacturer / supplier in China, offering 42*3.5 K55 Oil Casing Steel Pipe Resistance to High Temperature for Oil Geological Exploration, Large Caliber 42CrMo 1020 1045 4130 4140 5120 5140 Cold Drawn Seamless Steel Pipe, Tp316h Stainless Steel Pipe ASTM A312/A269 Seamless/ Welded Pipe and so on.
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