... for steel structure building etc. Roll Forming Machine for Roof Panel, Wall PanelDescriptions of Roll Forming Machine for Roof Panel, Wall Panel ... line consists of feeding unit, uncoiler, feeding guide, roll forming machine, cutter, automatic stacker, hydraulic system and electric control ... with coil-car Load capacity = Max.10Tons;2) Roll forming machine: About 18steps to form; Material of Roller: 45# ...