Isiphetho sokugcina ngokuyinhloko silandela amazinga e-AASHTO M180, GB-T 31439.1-2015 kanye ne-EN1317.
Izinto zokwakha lokho ikakhulukazi yi-Q235B (S235Jr amandla okukhiqiza angaphezu kuka-235Mpa) kanye ne-Q345B (S355Jr amandla okukhiqiza angaphezu kuka-345Mpa).
Ukuze kube nobukhulu besiphetho setheminali ikakhulukazi kusukela ku-2.5mm kuya ku-4.0mm noma kulandelwe izidingo zamakhasimende.
Ukwelashwa kobuso kufakwe nge-hot dip galvanized, ukuze kulandelwe i-AASHTO M232 kanye nezinga elifanayo njenge-AASHTO M111, EN1461 njll.
Isiphetho sokugcina sinamathele ekuqaleni nasekupheleni komgwaqo. Singavikela abantu ngepuleti lensimbi eligobile, ukuze kwehliswe ukulimala okuvela ku-guardrail.