The company is based on German and Soviet Union rolling mill and improved in accordance with specific conditions. They research kinds of cold rolling mill of the machiney drive double-rollers, rnulti-rollers, 30, 60, 120, 180, 235, 450 and so on. The cold rolling mill can make dia.8-450mm kinds of thick-wall seamless pipe with pigh precision. Main parameter of rolling material: Copper tube, Stainless steel, Carbon steel, Titanium alloy tube. Etc. Outer diameter of tube blank: 25-52mm Wall thichness of tube blank: 1.5-7mm Tube blank lenght: 1500-5000mm Outer diameter of finished tube: 15-45mm Wall thickness of finished tube: 1-6mm Max. Route of roller: 605mm Power of main motor: 55Kw