Millscale, Fertilzers, Cement.Logistics
Calcium carbonate mineral.
Magnesite.
Minerals and scrap metal.
Frits and ceramic tiles .Manufacturer
Minerals.
Minerals, timber.
Minerals, mainly tantalum, niobium, cobalt and precious minerals.
Coltan.
Coltan.
Coltan.
Tantalite and chrome.
Columbium tantalite (coltan).