Features - High precision end pre-bending: The straight edge length can be set freely, while the upper roller press to pre-bend. - NC control, high productivity. - Good accuracy: Upper roller like drum, lower rollers assorted with it through support roller. Able to bend continuously and roll ideal products from thin to thick plate widely. - Safety: Fixed lower rollers with moveable upper roller. Jobs do not move with the working rollers. - Complete structure, simple foundation, convenient move: Machine has unitary basement, which does not require earth bolts. - Plenty of bending shapes: Able to roll shapes of O (backside roll way), U (front side roll way), several R (combined way), taper in certain range.