Brazil is a country rich in mineral resources, and many important mineral largest in the world, including oil, iron ore, manganese, niobium and tantalum ore, nickel, tin, zinc, lithium ore, bauxite, graphite, kaolin, talc, vermiculite, magnesite, etc., current proven reserves are about 50 kinds of mineral, the iron ore crushing production technology has a greatly development. Liming heavy industr

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