Our twin screw extruders can produce floating and sinking feed size range 1.2-12 mm by adjusting temperature, moisture, formulation and changing moulds. Our fish food making machine also can be used for dry pet food production, such as dog food, cat food, bird feed, monkey food, etc. Process flow: mixing--extruding & puffing-Conveying --Drying--flavoring--Cooling(Packing)