Hydraulic Crimping Roll Forming Machine Curved Arch Roof Sheet This is a machine designed by our company to solve the water accumulation on the roof. This machine has changed the inefficiency of manual operation before adopting a modern high-efficiency fully automated PLC control system. Because its bending angle can be adjusted greatly and conveniently, the limitations of traditional production are changed. Specification No. Item Description 1 Coil Galvalume, Galvanized,