... . Specification: 2.8x312x 81x 4318mm 2. Material: Q345 Steel Beam Safety Barrier Systems NameMaterialSpecificationProtective finishStandardCertificatesFeaturestwo wave highway guardrailsteel Q345wave width: 312mm ... , Cyprus, Poland, Brazil, Chili, Bulgaria, etc. Besides, our factory took part in The 8th Sharjah Commodity Fair in Oct., 2009. Come ...