1) Unified structure, clear storage of products for easy counting 2) Made of welded steel bars, strengthened by U-shaped channel steel welded at bottom to maintain stability 3) Can be stacked one by one up to four times 4) Available together with forklift, hoist, trolley or liquid pallet-truck 5) Used in transportation, conveyance, unloading and loading, storage and distribution sites 6) Specifications according to clients' requirements