The three-dimensional warehouse of Dangyang Feed Mill is a frame integrated, single-extension stacker cranes three-dimensional warehouse, with a total capacity of 700 tons and more than 500 cargo spaces, and the in/out warehouse adopts fully automatic robots to depalletize and palletize, and the production control system realizes seamless docking to achieve efficient, unmanned storage management and in/out warehouse of bagged raw materials in the feed mill.