... . Description: A typical co-extrusion snacks line includes batch mixer and screw feeder, twin screw extruder and forming equipment, filling stuff ... core-filled food, including pillows, tubes, bars, long and short ovals, heart shape by adjusting the roller in the ... h5. Flow chart: Mixing system---Extrusion system----Core filling and shaping system---Drying system----Flavoring system---Packing system 6. ...