Feb 20 2019 · Inside the city hills composed of sand debris arise At first sight those tall hills appear as part of the natural landscape however they are piles of waste produced from the lasting gold mining process Unfortunately those piles of rubble contain radioactive waste and heavy metals eg arsenic and lead... 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.
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