Seamless
Hot-Rolled,Cold-Rolled, Cold Drawn
Alloy Steel
Oiled, Varnishing,Polished,Galvanized
Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
Round,Square,Rectangular,Hexagonal