Place of Origin: Hebei China(Mainland) Brand Name: Yunwei Metal Powder coating Material:Q235 Two wave guardrail TWO WAVE GUARDRAILMODEL NUMBER:HD1011PLACE of ORIGIN : Hebei ChinaMATERIAL:Q235STANDARD:GB/T18226, AASHTO M180, etc PROCESS TECHNICS :hot rolling, hot dip galvanized, or/and powder coating SIZE:4320*310*85*3.0mmCERTIFICATE:ISO9001 Two-wave guardrail