Introduction the stack frame, also called tchouk frame, stacking shelves, is derived from the pallet handling, storage equipment, is one of the multiple function equipment unit of goods, goods container storage and circulation of commodities, to be with the fork lift truck. Stack frame, can be mutually stack of 3 to 4 layers, the formation of three-dimensional storage mode, without the help of shelves, storage cage and tray and other equipment, suitable for use in a rented warehouse, low old warehouse or shop buffer and so on are not suitable for investment goods shelf area.