Water mill can crush pellets raw materials, such as corn, sorghum, wheat, beans, crushed bread and other items. Rotor of the machine with a special design, with two different types of hammer and screen space, used for coarse grinding, one for fine grinding, can partly solve the user wants to produce animal feed and fish feed production needs. Widely used in high-grade livestock feed, aquatic feed and ethanol plant, citric acid, feed, fertilizer, food, chemical and other viscous material processing, with superior performance.