Guardrail roll forming machine for two waves and three waves as option, the thickness for the guardrail highway roll forming machine is from 2mm to 4mm.
ສອງຄື້ນແລະສາມຄື້ນແມ່ນທາງເລືອກ. ຄວາມຫນາສູງສຸດແມ່ນ 4 ມມ.