US copper producer Freeport-McMoRan said it expects production at its Indonesia unit to rise significantly in 2021 from year-ago levels, reaching around 1.3 billion pounds of copper, or 589,670 tonnes.
In 2020, the company's Indonesia unit produced 809 million lbs, or 366,956 tonnes.The increase comes as the company transitions from open pit to underground mining at the giant Grasberg mine in Indonesia, which is operated by PT-Freeport Indonesia (PT-FI). Freeport has a 48.76% stake in PT-FI and manages...