... PUNCHING ROLL FORMING PRODUCTION LINE1. SUITABLE PROFILE:Uprights, Beams, Metal Stud, Drywall, etc.2. COMPOSITION:(1) Manual / Hydraulic Decoiler(2) Leveling Machine ... , hydraulic punch press, feeding device, roll forming machine, straightening device, ... 5. Main side plate thickness: 30mm, deputy side plate thickness: 25mm. ... of hydraulic machine and roll forming machine, equipped with hand controller, ...