C purline roll forming machine can produce C purline with the sizes from 80-300, 100-400mm, for the full aotomatic C purline roll forming machine, by controling the PLC, it can adjust any size within 80-300. For the manual adjusting half automatic C purline roll forming machine, it need to change the spacers on the shaft to adjust the rollers to form different size with 80-300, 100-400.Also the C purline machine can be designed with front cutting and post cutting, logo punching system and so on. C channel profile standard range building products with flange, depth, thickness and lips. Albion Sections channels are manufactured by cold roll forming pre-hot dipped galvanised steel S450 having a guaranteed minimum yield strength of 450N and Z275 galvanised coating. C sections are used primarily for cladding rails and secondary floor joists.