Pre-Punching and Pre-Cutting Purlin Roll Forming Machine This flexible production line is designed for manufacturing prefabricated C and U members used in wall, truss, and floor framing. It is ideal for prefabricated buildings such as residential houses, villas, office buildings, social facilities, modular containers, and façade elements. The machine produces members with all required perforations, including joint details, screw holes, through holes, and openings.