All steel materials are of standard grade, high-frequency welded, and each steel part is processed with rust removal, acid washing, phosphatizing, etc., followed by anti-rust treatment. Outer

The layer is coated with polyester epoxy powder spray paint, featuring a light gray color. The welding surface exhibits uniform corrugations, with no slag, porosity, weld beads, or spatter.

Wire end burr and spatter, and ensure no open joints, cold joints, or burn-through.