... well as those being easy to produce static electricity. 3)8 kinds of particles can be separated at most . Circular cordwood ... most,and each effective screening area is 0.28-6.4 square meter 6)Lower noise to 75dBa, fully closed and environmental ... Compound resin 4,mining industry 5,medicine 6, wood industry 7, metallurgy 8,fodder 9,fertilizer 10,fire works, 11, others Tumbler screen shaker ...