1) Suitable for large amount of cargo with small number of kinds; 2) The height of each beam can be adjusted freely 3) Smart section design and high-quality steel 4) It facilitates the use of forklift trucks, electric reach trucks, narrow aisle turret trucks 5) It is the most widely used design of the storage system 6) Parts: Upright post, pallet support arm, wall spacer, horizontal bracing, row spacer, wire mesh deck, safety pins, steel footing plates etc