Applies to the pellet, crushing pellet and secondary circulation grinding process. Use of v-belt transmission focus on blancing body and tail of the elastic suppot, material in horizontal work surface rotary motion, high flitering accuracy, small vibration. Without oil lubrication to avoid leaking. Streamline design within the outlet, do not make the material deposited, avoiding cross-contamination. Pressure screening agency firm, rapid screening. Be able to customized single-layer screen and dual-screen, three-storey screen and two-layer sieving double feeding according to the required.