A CZ purlin roll forming machine is a type of machine used for the production of C-shaped and Z-shaped metal profiles, which are commonly used as structural support in the construction of buildings. The CZ purlins are formed from coils of flat steel strip, which are fed into the roll forming machine and then shaped into the desired profile through a series of rollers. The machine can be adjusted to produce CZ purlins of different sizes and thicknesses, and can be designed to produce large quantities of CZ purlins in a continuous and automated process. The end product of a CZ purlin roll forming machine is a high-quality, consistent and accurate C-shaped and Z-shaped profile that can be easily integrated into construction projects. CZ purlins are commonly used in construction as structural support members for roofs and walls. The dimensions of CZ purlins can vary depending on the specific application and the load they are designed to support. Some common dimensions for CZ purlins inclu