The deal comes after a trip by the Guinean mines minister, Abdoulaye Magassouba, to China and follows other major Chinese investments in the resource-rich West African nation.
The rise of electric vehicles and the quest to find solutions to energy storage for the renewables industry have created a breeding ground for tech experts to develop battery technologies.
As steel production reaches all-time high Chinese miners pump out most iron ore since 2015 while refined copper output jumps 12% to highest in 18 months.
Big winners will be aluminum, copper, lead, lithium, manganese, nickel, silver, steel, and zinc and rare earth minerals such as indium, molybdenum, and neodymium.