Mezzanine Floor shelving is a kind of simple shelf on make full use of space. In existing shelves built on the work site or an attic to increase the storage area in the middle. In general can be put on the attic floor light bubble and small and medium-sized pieces of goods or goods shelf life long, usable forklift, conveyor, hoist, electric hoist and lifting platform promotion goods. The mezzanine floor typically USES light car traction trolley or tray.