Man-made uncoiler-Roll forming machine-compture control system-hydraulic control system-form cutter 1 ... : 380V 3phase 60 HZ or at buyer’s requirement Roof Panel forming machine Material of main equipment:Roller material: high grade NO. ... quenched treatment.They are widely used as the roof of garden like factory, hotel, exhibition center, villa, civil construction, etc. Roof Panel Roll forming machine