mining machine 1.high processing capacity 2.high recovery rate 3.high enrichment ratio... Mining Machine Spiral chute applications:It has been used in to classify the granularity 0.3-0.02 millimeters fine grain like iron, tin, tungsten, tantalum-niobium, gold ore, coal mine, monazite, rutile, zircon and other metals. The non-metallic minerals which have a big enough specific gravity difference. ...