... 3.cutting and punching 4.high-level of automation and convient C&Z Purlin Roll Forming Machine C-Z Purlin ... , the feed leading table, flattening device, the main forming machine, punching device, cutting device, hydraulic station, and computer control ... for product Technical Specification of C&Z Purlin Roll Forming Machine: No.Item UnitParameter1Applicable materialType Ordinary cold, hot rolled plate ...