Plug in steel grating is a metal structural material composed of flat steel and horizontal bars arranged at a specific distance and welded through a plug-in process. It is widely used in industrial platforms, walkways, stair treads, and other fields. Its manufacturing materials are mostly carbon steel, stainless steel, or aluminum alloy, which have good load-bearing capacity and corrosion resistance. Compared to traditional welded steel grids, plug-in steel grids have more advantages in joint strength, manufacturing efficiency, and overall flatness, making them suitable for industrial environments with high safety requirements. With the increasing requirements for ventilation, drainage, and anti slip performance in industrial buildings, the application of plug-in steel grilles is becoming increasingly widespread in multiple industries, and will continue to be optimized in terms of lightweight, high strength, and environmental performance in the future.