The cement silo is generally used in the bulk cement storage of the concrete mixing station. It is suitable for storing various bulk building materials such as cement and fly ash. The bin body is equipped with a material level system, which can display the position and quantity of the material. The hole device can release the material. The solidity caused by deposition for too long. The mud bin and the screw conveyor can be used to transport the materials to various locations. The cartridge body is easy to install, safe and reliable, and is an ideal bulk storage tank for various mixing stations.