Mining industry of the Democratic Republic of the Congo
The mining industry of the Democratic Republic of the Congo (French: Industrie minière de la République Démocratique du Congo) is a major global supplier of minerals including cobalt, copper, diamonds, gold, tantalum, and tin. The DRC supplies over 60% of global cobalt, and mineral exports account for more than 95% of the country's export revenues.
Source: Wikipedia — Mining industry of the Democratic Republic of the Congo (CC BY-SA 4.0)