... part 4,height< Theheavy weight type of rack in Nanjing Dongtuo has the following standard: ... 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, ... we also have some accessories for the pallet rack, such as Mesh Grid Shelf, Upright ...