As a key equipment being used in smaller pellet feed mills, this machine features high output,high performance, low energy consumption, low noise and fine appearance, and is an ideal equipment producing pellet feed for fowl, livestock, fish and shrimp. The feeding system adopts stepless variable motor for controlling. The speed regulation is convenient and reliable. And a computer automatic control system is fitted to selfregulate the material and steam feeding volume, which always keeps this machine in an optimum working state.