... roll forming machine LMS ON-LINE HOLE-PUNCHING ROLL FORMING PRODUCTION LINE1. SUITABLE PROFILE:Uprights, Beams, Metal Stud, Drywall, etc.2. COMPOSITION:(1) Manual / Hydraulic Decoiler ... whole line is composed by decoiler, hydraulic punch press, feeding device, roll forming machine, straightening device, hydraulic cutting off, cold water recycling device, pneumatic and ...