
Long Service Life Highway Crash Safety Three Beam Corrugated Thrie Beam Guardrail. 20-Year Warranty: Comprehensive 20-year warranty coverage for all mechanical defects. 24/7 After-Sales Support: Round-the-clock technical assistance available via email or phone. Multiple Certifications: Certified by ASTM, ISO9001, RoHS, CE, SGS, and TUV standards. Customizable Surface Treatment: Hot-dip galvanized or powder-coated in any RAL color upon request. OEM/ODM Production: Full customization support based on customer drawings and samples. High Corrosion Resistance: Superior durability with zinc coating thickness up to 170 microns. Fast Delivery: Standard delivery within 10-15 working days after deposit. Free Sample Availability: Small samples provided free of charge, customer covers freight.