RTB Bor copper mining and smelting complex was crucial for the country before the collapse of communist Yugoslavia. However, it later became a burden on the country’s struggling economy because of malpractices and international sanctions.
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.