
Heavy Duty Steel Highway Traffic Safety Three Beam Corrugated Thrie Beam Guardrail. 20-Year Warranty: Comprehensive 20-year warranty coverage for long-term reliability. High Corrosion Resistance: Hot-dip galvanized or powder-coated surface for superior durability. OEM/ODM Customization: Supports production based on customer drawings, samples, or local standards. Multi-Certification: Certified by ISO9001, CE, SGS, ASTM, RoHS, and complies with AASHTO M180. 24/7 After-Sales Support: Round-the-clock technical assistance and support available. High Impact Strength: Yield strength 345 Mpa, tensile strength 483 Mpa for maximum safety. Fast Delivery: Standard delivery within 10-15 working days after deposit. Free Samples: Small samples provided free of charge (customer covers freight).