1.Made of high-strength steel such as Q235 and Q345, and treated with overall hot-dip galvanizing, with a coating thickness of ≥85 microns. 2.Complies with BS EN ISO 1461:2009 standard, offering strong resistance to soil corrosion and salt spray erosion. 3.The normal service life can reach 30-50 years, requiring virtually no additional maintenance costs.
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