Cartons are placed on the rollers, rack slightly tilted towards picking direction so carton slides downwards with gravity. It uses one side of the aisle for storage and the other side for pick up, thus allowing first-in, first-out, it can realize one replenishment and multiple sorting. Carton flow racking is highly efficient storage, suitable for short-term storage and item sorting of large quantities of goods. Widely used in distribution centers, assembly workshops, and warehouses with high shipping