... warehouse,enough to use space 2.convenient to load and unload,insure safety The pallet shelving heavy weight type ... 100, 120, 140. Types of rack structure are: Pallet Rack, Drive-in Rack, Push Back Rack which you ... can see in other pages.When choose heavy weight pallet rack, the size of material box, the ... density.And we also have some accessories for the pallet rack, such as Mesh Grid Shelf, Upright ...