... can process square tube, round tube stainless steel, square steel to be circle and arc forms (0.6-2.0mm thickness ... ). In addition, 4 kinds of round tube dies attached to the machine, 19mm, 16mm, 25mm, 22mm, and 5 ... , 40*40. Meanwhile, there are two kinds of square steel dies (8-12mm) for selective matching, all of those can make the circle, semicircle ...