¡¡¡¡ The company produces cold roll materials are M3, MC5, 70Cr3Mo, 90Cr2Mo and other kinds of steel, the work rolls, intermediate rolls, support roll straightening roller mill is widely used in various types, such as the four-roll mill, eight roll mill partial 1350, two roll mill 1450mm, 1400mm 12-roller mill, rolling mills and the like.