In recent years the use of cold rolling steel slabs, it has strong bearing capacity, good integrity, bearing good uniformity, high precision, smooth surface, easy to lock the advantage. There are a variety of optional, and easy to match the lighting system, access and management more convenient. Floor design according to various installation system, easy assembly at the scene, without welding. Attic shelves system in the field of auto parts, auto 4S shop, light industry, electronics and other industries have many applications.