... 4.high-level of automation and convient C&Z Purlin Roll Forming Machine C-Z Purlin Industry:C-Z Purlin is an integral part of light steel structure. C/Z purlin is made of hot ... device, the main forming machine, punching device, cutting device, hydraulic station, and computer control device. Features of C & Z Purlin Roll Forming Machine: 1. The C & Z purlin forming machine has the high ...