Pallet racks are often referred to simply as heavy-duty racks, and are most common in domestic storage racking systems. Plug-in combined assembly structure. The column is cold-rolled by an imported continuous punching and rolling mill. The column is an assembly structure. The beam and the column are connected by a plug-in connection. The height of the shelf layer can be adjusted freely every 75 / 50mm pitch, and the maximum load of each layer of the unit shelf can reach 4000 kg. The goods are placed on the pallet and accessed by a forklift, which is convenient and flexible for storage. Laying steel laminates, mesh laminates and other laminates; this racking system is widely used in manufacturing, third-party logistics, distribution centers, warehouse supermarkets and other fields.