1. This machine is mainly used for threshing corn, soybean, wheat and other crops. 2. This machine adopts axial-flow drum threshing technology and adjustable air volume cleaning technology to realize the separation of grain, bran, bran, grain and grass. It has the advantages of separation, small loss and 100% purification rate. 3. It is the best machine for scientific research institutes to conduct grain research and experiments, and a good helper for threshing. 4. It is convenient to open the cover to check the cleaning residue, there is no cleaning dead angle, and it is completely guaranteed that there will be no mixing of materials.