... bending, deformation, surface scratch and crumple, etc. With our CNC software, it can relalize high precision and nice appearance with easy ... the two lower shafts is driven by Hydraulic Force, the CNC program automatically adjusts the matching rotating speed of 3 rollers, ... two lower shafts is driven by Hydraulic Force, the CNC program automatically adjusts the matching rotating speed of 3 rollers, ...