1. The unit is integrated with main engine, auxiliary engine, pipeline and electric control device. Stable technical performance, continuous production process, high efficiency and energy saving.Less footprint and noise. 2. The main machine is equipped with air sorting centrifugal grading shear device, no screen and no net, the uniform particle size can be adjusted. Especially suitable for crushing food materials, chemical materials, fiber materials, Chinese medicine materials, etc. 3. The cyclone dust collector and filter bag dust collector in the auxiliary machine are integrated (or separated in series) to ensure dust removal efficiency.