Steel C Z Purlin Roll Forming Machine parts Steel C Z PURLIN ROLL FORMING MACHINE 1. FEATURES: It is taking the advantage of ... no need of roller changing.2. PLC CONTROL: The production of hole-punching, cutting-off and roll-forming is operated automatically ... , leveler, 2-station hydraulic puncher, hydraulic cutter, quick-changed-roller roll-former, electronic control system, hydraulic system, etc.4. ...