... Metal Stud, Drywall, etc.2. COMPOSITION:(1) Manual / Hydraulic Decoiler(2) Leveling Machine (Optional)(3) Roller Feeder(4) Hydraulic Punch ... decoiler, hydraulic punch press, feeding device, roll forming machine, straightening device, hydraulic cutting off, cold water recycling device ... line use centre control, the roll forming machine and hydraulic machine is combined moving. When the punched mould is ...