fish feed processing line  with a reasonable design, high automation and precise control of extruding/ puffing parameters. fish feed production line adopts an innovative conditioner design with single axis or double axes conditioning of differential speed to enhance maturin effect of the feeding stuff. It uses a new extruder structure to suit different materials such as grain, bean cake, fish flour, bone flour, meat flour etc, and makes them into grainwise shapes with high- temperature, moisture and extruding pressure, products of various sizes, shapes, tastes and nutrition ingredients are available to satisfy the requirement of different livestock and acqutic products.