1. High precission pre-bending. When pre-bending, the length of the edge can be set at ease. The upper roller presses and perfect cylinders can be made. 2. CNC operation. The CNC operations can improve the working efficiency greatly. Besides this, the operations are much more convinient. And this machine can also roll the plate into many kinds of shapes, such as O shaped, U shaped, cone shaped and so on.
