Brazil's Vale, which needs court approval to resume production at its Brucutu mine after a deadly dam collapse, told analysts it expects to do so soon.
Among its aims are "the exploration, exploitation and commercialisation of minerals", forest logging, security, transport, construction and "all financial, investment and project financing operations.
Zambia will fine and break ties with mining firms that fail to operate according to the southern African country's laws, President Edgar Lungu said on Thursday.