In August, BHP had shut an acid plant following a boiler tube failure, disrupting copper processing. Underground mining at the site continued as normal.
Chile's state-owned miner Codelco, the world's largest copper producer, plans to raise up to $1 billion next year to help finance the overhaul of its existing mines.
The United States has granted more than half of the exemptions to its steel import tariffs that Austrian steelmaker Voestalpine and its customers applied for.
Chinese aluminium exports are expected to surge in coming months and next year after Beijing boosted tax rebates as part of a package to soften the impact of a trade war with the United States.
Eurasian Resources Group (ERG) plans to ramp up cobalt output at its Democratic Republic of Congo (DRC) facility as it expects the electric car industry to boost demand for the metal.
