... highway guard rail for protection Material: Q235 ,Q345 Protective Finish: Hot dipped galvanized, Zinc coating weight: 880—1220 g/m2 Standard: China, ... EU, USA, AS/NZS, etc.Certification: ISO9001:2008, CE for EUFeature: High Intensity, Durable, ... repairs in case of accidents. The specification for the guard road The drawing for the guard road If you have the ...