Top Copper Producing Companies | Stocks | Investing NewsSep 13, 2016 . The state-owned Chilean company is the world's biggest copper producer. . The Australia-based producer had plans to improve production in.chile copper mill producer,Copper Mining in Chile - Overview - MBendiChile is the world's largest copper producer, producing 5 390 thousand metric tons in 2010 as opposed to 5 520 in 2009. Chile has approximately 24% of the.
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