Casing Pipe, Seamless Steel Pipe, High Pressure Boiler Tube manufacturer / supplier in China, offering Factory Mill ASTM A53/A106 Gr. B/JIS DIN/A179/A192/A333 X42/X52/X56/X60/65 X70 Stainless/Black/Galvanized/Round Square Grooved Seamless/Welded Carbon Steel Pipe, API 5L Psl1/2 A53/A106 Gr. B/A179/A192/A333 X42/X52/X56/X60/65 X70 Stainless/Black/Galvanized/Round Square Grooved Seamless/Welded Carbon Steel Pipe, En 10297 Hot-Rolled 34CrMo4/37mn Chrome Moly Alloy Steel Pipe for LPG and CNG Gas Cylinder and so on.
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