1.twin screw extruder,double screw extruder for pet food,snacks,soya protein nuggets,modified starch,nutritious powder ... h,300-500kg/h,500-800kg/h,800-1000kg/hTwin screw extruder/double screw extruder can produce various fallow foods, snacks, core-filled foods ... cut-off is adjustable through step-less speed regulating electrical machine. Heating system: The heating system is divided into several ...