Lab twin-screw extruder DSE30 is special for universities, research institutes and large and medium-sized enterprises engaged in various extrusions, extruded maturation, extruded variability study omnipotent models. It has gone through four generations of improvements to adapt to cereals; potato starch, protein, chemicals, plastics, rubber and other raw materials are vastly different for a variety of experiments. Powerful, easy to operate and simply of parameters adjustment, test data accurate, easy maintenance .