C and Z steel purlins are necessary for the modern steel industrial buildings, and some residential building as well, and various kinds of c/z purlin roll forming machines have been developed to produce C/Z/U steel purlins.
In accordance with different requests for C and Z steel purlins, in the markets there are c purlin roll forming machines for the production of C steel sectional channels, z purin roll forming machines for the manufacturing of Z shaped channels and interchangeable c/z purlin roll forming machines which are designed to produce both C and Z steel purlins without replacing any rolling tools or cutting dies.