Heavy-duty beam shelves, or cargo position shelves, belong to the category of pallet shelves, and are the most common form of shelves in various storage shelf systems in China. The fully assembled structure in the form of column pieces and beams is concise and effective. According to the characteristics of the storage unit assembly equipment, such as partitions, steel shelves (wood shelves), wire mesh layers, storage cage guide rails, oil drum racks and other functional accessories. It can meet the storage of goods in the form of different unit container equipment.