1.High efficiency. 2.Reasonable price and high ... is mainly used for bending flat steel, square steel, round steel, angle steel, "H" steel,etc. W24 ... steel, "H" shape steel, U-shape steel, square tube, rectangular tube, round tube, etc. It is widely used in boiler, ship ... rollers, transmission system, hydraulic system, molds, etc. Tube rolling machine,tube bending machine,proflie rolling machine