The C and Z interchangeable purlin roll forming machine is a versatile and efficient solution for producing both C-shaped and Z-shaped steel purlins used in roofing and wall framing systems. Designed with quick-change tooling mechanisms, this machine allows operators to switch between C and Z profiles rapidly without requiring extensive disassembly or manual adjustments. It ensures high precision, consistent output, and minimal material waste, making it ideal for construction and metal fabrication industries seeking flexibility and productivity in structural component manufacturing.