W-beam vs thrie-beam guardrail profiles, AASHTO M180 specs, machine configuration, and what buyers need to know before ordering a guardrail roll forming li
![Guardrail Roll Forming Machine: W-Beam and Thrie-Beam Highway Barrier Production](["https://zt-eshop-production.oss-cn-beijing.aliyuncs.com/file/upload/shop/2026/08/05/ae7f1fe9-1278-496b-a9d5-ec12d4034a36.png?Expires=2101256357&OSSAccessKeyId=LTAI5tD82NtagoeXEDv27Qe8&Signature=tviq30rUyM8Q9pUM5k3lkixlYlE%3D&x-oss-process=image%2Fformat%2Cwebp"])
