Roll forming machines for C purlin or Z purlin. The following profile is only for your reference. Material: Thickness: 0.8-2.0mm Material: Gavanized sheet, G245 Feeding width: adjustable according different profiles Profile of products: C80/100/150 Commonly, some profiles of C purlin can be formed by one machine. Process: 1. Hydraulic uncoiler 2. Feeding rack 3. Main machine 4. Hydraulic punching and cutting device 5. Products rack The hydraulic pre-cutting device can be added according to requirement.