1.twin screw extruder,double screw extruder for pet food,snacks,soya protein nuggets,modified ... -500kg/h,500-800kg/h,800-1000kg/hTwin screw extruder/double screw extruder can produce various fallow foods, snacks, core-filled ... and pressure. At last the ingredients are inflated at the point of being extruded out. This system possesses self-cleaning function ...