Chinese state and private investors have spent more than $16 billion over the last decade buying copper mines and projects including nearly 50 in Africa.
The country's central bank-owned Fidelity Printers and Refiners (FPR) is the sole buyer, refiner and exporter of gold, but has at times struggled to pay producers.
Sundance Resources has filed for international arbitration saying Cameroon and Congo Republic have violated contracts by developing the iron project with Chinese investors.
Global gold production fell by 3.8 million ounces in 2020 as covid-related disruptions in South America more than offset gains in Russia and West Africa.
Operations at the Fekola mine, 20 kilometres from the Menankoto permit and projected to produce 530,000 to 560,000 ounces of gold in 2021, have not been impacted.