STL purpose is the processing of slag from the Gécamines concession slag heap and its transformation to extract copper, cobalt, zinc and germanium...
The Responsible Minerals Initiative (RMI) has confirmed that the cobalt, copper and zinc produced by STL is compliant with its responsible sourcing requirements...
STL announces that it has secured the financing of the new phase of its industrial development, for a total investment amount of 75 million US dollars.