... CE Detailed Product Description C Purlin Roll Forming Machine: 1. Working Flow:de-coiler-----leveling-----feeding ... Component Of Equipment:decoiler , leveling device , roll forming machine, punching device ,cutting device , hydraulic station, supporter, ... electric controlling system. 3. Main Parameter Of Machine: NO.ItemParameter1Raw material thickness1~4mm2Forming steps14-17 steps3Forming speed8 ...