This machines 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 kinds of square tube dies: 15*15, 20*20, 25*25, 30*30, 40*40. Meanwhile, there are two kinds of square steel dies (8-12mm) for selective matching, all of those can make the circle, semicircle, wave shapes.