*Structure and components: 304# stainless plate with on-time mould pressing, dozens types of charging baskets made of LLDEPUR644 materials which are imported from Korea and use technologies of rotational molding and engineering polypropylene injection molding *Excellent functions: Involutes displacement adjustment device, it accurately adjusts the quantity required according to the different stages of growth and is smooth and endurable. *The discharge pipe stabilizer: The discharge hole keeps rotating to ensure the homogeneity and continuity of discharging. *Internal anti-blocking material feeders: Ensure smooth discharging, and feeding process doesn’t require manual stirring so as to raise pig’s feeding efficiency. *Problems that can be solved: Solve the problems that fodder is accumulated and deteriorated and is discharged too much or too less as well as discharging is blocked, improve fodder utilization rate.