Heavy duty selective racks belongs to the pallet racks, which is the most common form of racks in various storage racks systems in China. The fully assembled structure in the form of upright and beam is simple and effective. According to the characteristics of the storage unit assembly parts, such as: barrier, steel shelves (plywood), metal wire mesh decking,  guide rails for storage cage, bars for oil drum and other functional accessories. The storage of goods in the form of different unit packing way.