steel grating is made by welding with flat steel and bars with certain distances. it goes through cutting, opening, edging and other processes. the products enjoy the features of high strength, light structure, high bearing, convenience for loading and other properties. the hot dipped zinc coating gives the product excellent anti-corrosion resistance.steel mesh grating is widely used in the platform, corridor, bridge, well covers, stairs, fencing for petroleum, chemical, power plant, waste treatment plant, civil engineering projects and environmental projects.