Highly efficient extruder for aquafeed, food, pet food and raw material treatment, especially sticky formulations. Features: Easy operation PLC and touch screen for convenient control; by-pass provided for avoiding blockage; easy operation, precise and reliable; High efficiency Optimal chamber groove and screw flight profiles, minimum SME input; efficient DDC conditioner and jacketed barrel with stabilized and facilitated extrusion, maximum energy utilization; unique suspending cutter, adjustment without down time. More flexibility Modularized barrel and screw structure with many add-ons, adaptable to varied high-fat or -moisture formulations; controllable temperature, pressure and density, minimizing reconfiguration acquired..