Congo is Africa's top copper producer and the world's leading miner of cobalt, which is a key component in electric vehicles and other electronic products.
Phoenix Global Mining, which is reopening a U.S. copper mine abandoned during World War II when its workforce left to fight, plans to list in New York in September after a disappointing launch on London's AIM market.
Canada's largest diversified miner said that before beginning the copper mine upgrade, it would have to secure a development partner able to invest $2billion for up to 30% to 40% stake in the project.
Teck Resources Ltd said on Tuesday that lead smelting had resumed at its Trail, British Columbia, facility after a seven-day suspension because of wildfires.
