YX65-300-600 Full Automatic Bending Machine with Adjustment Models and Convex Curved and Concave Curved, Metal Bending Machine and Bending Machine for Standing Seam Roofings: Main Technic Parameter: Main Motor Power:4KW; Motor for Changing Models Power:0.75KW; Roofing Thickness:0.4-1.0mm; WorkingSpeed:10-16m/min; Min. Curved Radius: convex curved R=4m,concave curved R=6m; Feature: Can bend the roof panels to Arc-shaped, Wave-shaped with convex curvedand Concave curved, with smooth curved; and be packed in the container, it is in favor of carrying and working. And can automatically change the models of roofings with width from 300mm to 600mm.