Following Characteristics: 1 High efficiency, safety, energy saving and environmental protection. 2 No sticking, no stucking, no requirement of water containing. 3 Solely intergrated design with even equipment and screening equipment, completely decline over-breaking. 4 No need extra dust collection in the enter. 5 Small noisy, lightly vibrating, product a little dust, lower cosumption of power. 6 Adjustable discharging granularity. 7 Occupying small land-area and simple maintanence.

