The Mezzanine rack storage shelf adopts the shelf column to support the floor, the steel structure floor and the floor are flat, the overall strong bearing capacity is strong and uniform, the construction cost is low, and the construction is fast. Applicable to the case of high warehouse, small cargo, manual access, and large access volume, it can make full use of saving the warehouse area. Depending on the actual site and specific requirements, it can be designed as a multi-storey floor, usually 2 to 3 stories. The bottom shelf can be used for a variety of shelves such as medium-duty shelves and heavy-duty shelves. It is not only a system for storing goods, but also a support point for the weight of the upper layer. It is equipped with auxiliary facilities such as stairs, guardrails and electric lifting platforms. Fully combined structure, strong sense of three-dimensional, using high-quality carbon structural steel, quality, bearing, and appearance are very superior. According to the actual site needs, it can be flexibly designed into a two-storey or multi-storey loft. It is suitable for storing a variety of small-volume goods, special C-shaped steel floor slabs, snap-on structure, and locked with special locking devices, so that the entire loft is integrated. Floor level is flat, dust, debris, small pieces will not fall into the downstairs, downstairs lighting wiring can also be hidden and beautiful, widely used in automotive, electronics, machinery and other industries.