... ON-LINE HOLE-PUNCHING roll forming machine 1,SUIT UPRIGHTS, BEAMS 2,Hydraulic Punch 3,Roller Feeder roll forming machine LMS ON ... LINE HOLE-PUNCHING ROLL FORMING PRODUCTION LINE1. SUITABLE PROFILE:Uprights, Beams, Metal Stud, Drywall, etc.2. COMPOSITION:(1) Manual / ... Racka. One piece construction, the roll forming device, straightening device, cutting off device is a whole unite. The rack receives ...