The Toronto-headquartered company now expects production of 380,000–440,000 tonnes copper this year, down from earlier estimates of 400,000–450,000 tonnes.
Poland's state-run mining company plans to sell its Robinson and Carlota copper mines in the United States and reinvest the proceeds in its domestic operations.
Indonesia has drafted a plan that would see four state firms supplying nickel ore, processing nickel sulphate and cobalt sulphate, and then producing cathodes and batteries.