ISO Drum and Back Drum Roll Screen is used in metallurgy of iron ore, sinter, the ... after the test and dr ISO Drum and Back Drum Roll Screen is used in metallurgy of iron ore, sinter, ... using electrical control; and out of the drum flexible, stop bit is correct, with the tests, screening is correct, and low labor ... S12-RRSensorsCO-HE-1Dimension1430*860*918mmWeight190kg Drum and Back Drum Roll Screen