The steel strand is composed of steel products, and the steel surface can be added with zinc coating, zinc aluminum alloy layer, aluminum coating (aluminum cladding), copper coating, epoxy coating, etc. as required." Steel strands are commonly used for carrying cables, stay wires, reinforcing cores, etc. They can also be used as ground wires for overhead power transmission, barrier cables on both sides of highways, or structural cables in building structures. Galvanized, commonly used in bridges, buildings, water conservancy, energy, and geotechnical engineering