Heavy shelves with special requirements on the design and construction, substandard product design is unreasonable, improper construction, are directly related to the life and property, so do not buy shelves freeloaders, must be preferred regular, qualified, with qualification The company's products. For the rational design of the warehouse shelves, the first is the definition of the unit of goods, storage area. We need to take into account the amount of work, inventory items, periodic variation of other factors such as: out of storage. The basic properties of the heavy-duty shelves: a tray can deposited in a separate or move without the need to move the other tray. 2, can adapt to a variety of shipping machinery and construction. 3, the equipment is the easiest, lowest cost and fast installation and disassembly. 4, the goods in circulation, rapid loading and unloading. 5, the by goods size requirements, adjust the height of the crossbar. 6, can adapt to various types of shelves.