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enrichment equipment for iron ore efficiency is high in south africa Sep 25 2018 · At Kumba Iron Ore one of the largest producers of iron ore globally drilling is going hightech Whereas miners used to sit for up to eight hours at a time on a trucksized machine drilling holes in which to place explosives now they can do it from the comfort of an office... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.