High Quality Highway Guardrail High Strength and Safety Custom Made Standard: AS/NZS, CE, ASTM. Post:C post, Sigma post. Guardrail & W Beammanufacturer specialized in Highway Guardrail (Crash barrier, Safety Barrier) since 1994We are a reputable manufacturer specialized in manufacturing complete system of Highway Guardrail (also named as Crash barrier, Safety Barrier, Road Barrier) since 1994. We ...