hign strength,impact resisitance, toughness .never rust, long life. .ISO .9001:2000 . .Better reputation and better quality Highway Barriers / Crash Barrier / Guardrail Barrier:Material: Hot dip galvanized steelProfile: W-beam,Post: C channel post, I Post, Sigma post, Cylinder post and Z post, etc.Accessories: spacer, blockout, separator, terminal ends, connector, bolt & washer etc.Surface ...