1.twin screw extruder,double screw extruder for pet food,snacks,soya protein nuggets,modified starch,nutritious ... -500kg/h,500-800kg/h,800-1000kg/hTwin screw extruder/double screw extruder can produce various fallow foods, snacks, core-filled foods ... control in extruding system and temperature in heating double screw extruder,twin Screw Food Extruder by chinese earliest,leading suppliet since 1988