Mezzanine racking systems usually use medium-sized shelves or heavy-duty shelves as the main support plus floor panels (the type of shelf used is determined based on the total load weight of the shelf unit). The floor panels usually use cold-rolled steel floor slabs and patterned steel floor slabs. or steel grating floor slabs.The mezzanine racking system is to build an intermediate mezzanine on the existing work site or shelf to increase the storage space. It can be used as a two- or three-story mezzanine. It is suitable for storing some light and small and medium-sized goods. It is suitable for large quantities of various varieties or Various types of small batches of goods are stored and retrieved manually. The goods are usually delivered to the second and third floors by forklifts, hydraulic lifts or freight elevators, and then delivered to a certain location by light trucks or hydraulic pallet trucks.