ANS : will we fold or fly?, page-36

https://www.reuters.com/article/uk-congorepublic-iron/congo-republic-signs-deal-on-revoked-iron-ore-licenses-with-sangha-mining-idUSKBN2B6054

"Sangha Mining said on Saturday that it will invest $10 billion to develop the projects."

"We plan to start work in the fourth quarter 2021, with a plan to start exporting in 2023 and eventually have an annual production of over 100 million tonnes of iron ore,” Manuel Andre, the chief executive of Sangha, said at the signing ceremony on Saturday.

"Sangha is little-known company backed by Chinese investment which is embarking on its first mining project. Andre did not comment on how the investment would be financed."

We have some details at last. One of which is that they expect to dig $10B of IO out of the ground each year.