The leading suppliers in China for the C Z purline changeable roll forming line in this metal processing machinery industry. C & Z automatic changeable purline roll forming machine is used to roll form C purline and Z Purline of metal buildings construction. 
It is no need to replace any parts or change the spacer position on the roll form line for production of C purlin to Z purlin, only need to rotate side roll forming tooling to get the C and Z purline production. The profile width can be adjusted by hand wheel or power control. It is optional. This C Z purline forming machine adopts the duplex width adjustable technology.