... 81x 4318mm 2. Material: Q345 Steel Beam Safety Barrier Systems NameMaterialSpecificationProtective finishStandardCertificatesFeaturestwo wave highway guardrailsteel Q345wave width: 312mm wave ... is available, too. We have ever exported our guardrail and its accessaries to South Africa, Iran, Vietnam, Brunei, the ... Fair in Oct., 2009. Come check us out,and then PM me for more information,or to set ...