... ,Hydraulic Punch 3,Roller Feeder roll forming machine LMS ON-LINE HOLE-PUNCHING ROLL FORMING PRODUCTION LINE1. SUITABLE PROFILE:Uprights ... roll forming machine, straightening device, hydraulic cutting off, cold water recycling device, pneumatic and electric control system, etc.3) ... multi positions operation, the main control panel is located in the middle of hydraulic machine and roll forming machine, ...