http://www.metalrollformingmachine.net/Speedway-Guardrail-Roll-Forming-Machine-products.html

This is a Non-stop punching with high efficiency Speedway Guardrail Roll Forming Machine . It can be used in a variety of guardrail, such as guardrail, highway guardrail, fence and other livestock farms. The equipment is mainly composed of decoiler, punching unit, roll former, cutting device, product table, and control cabinet, etc. This Speedway Guardrail Roll Forming Machine adopts automatic PLC control and touch screen operation. And it has high speed forming process and makes little noise. The equipment adopts welded frame of high intensity. After fine finish, forming rollers get heat treatment before chromeplate. So this equipment has features of stable performance and long service life. 

Decoiler → Leveling And Guiding → Server Motor Feeding → Punching → Roll Forming → Cut Off Non-Stop Machine To Length → Finished