1. Mechanical transmission, compact structure, reliable performance.

2. Not easy to slip, thin wall material can bend.

3. Mechanically adjust wheel pitch. Without the effort of a hand wheel.

4. The machine transmission is smooth, only need to adjust the pressing, can obtain different curvature of the circle, arc or spiral shape.

5. Changing the groove shape of the mold can process all kinds of metal profiles, such as Angle steel, flat steel, round pipe and other special-shaped section profiles.