Product Specification: 2500L× 900W× 3000H× 4Layer(each layer shall be placed with 2 pallets). Customers can also order non-standard products. Heavy duty racking is made up of upright, beam, shelf(pallet). The surface adopts a unique diamond-shaped holes design. You may push down the hook on the beam into the diamond-shaped hole, instead of screw and welding during the installation. It has the following characteristics: A beautiful shape, convenient for installing, reasonable structure, large load-bearing capacity, adjusted height of shelf freely, unlimited connections with saving the cost, convenient for transportation etc.