Global manganese ore supply grew by 26% in 2017 to 19.13 million tonnes of manganese units, according to the latest data from the International Manganese Institute (IMnI).
The figure is equivalent to 58.2 million wet metric tonnes of manganese ore. In December 2017 alone, global production reached 1.89 million tonnes of manganese ore units, up 50% year on year, as world demand increased 18.5% to 1.68 million tonnes. This left a global surplus of 206,000 tonnes for December 2017. Low-grade manganese ore prices soared in early December, gaining...