YX65-300-600 Bending Machine for Standing Seam Roofings, Bending Machine and Curved Machine's informations are as follows: Main Technic Data: Motor Power:4KW, Bending Min. Radius: positive curved 4m,oppositive curved6m, Usage: Bending Standing Seam Roofing Panels with positive and oppositive. Feature: can adjust any models with 300mm to 600mm of standing seam roofings. Very easily and conveniently to operate.