The animal pellet machine is made by the 38 chromium, molybdenum, aluminium which are special wear resisting, high temperature, and high moisture, tempering firstly, then mold by heating, with the advantage of the wear-resisting and long life. 2.The buoyancy bulking feed stuff can be stayed on the surface of the water at least for 12hours. They are easily digested by the fish and poultry, and do not pollute the water. Compared with the powder and pellet, the bulking feed stuff can save 8%-15%. 3.The finished product with high nutrition. It is suitable for the frog, aquatic product, pet fish small medium size feed stuff factory and R&D institution. 4.Food particle size is adjustable.