Gilsonite (asphaltite / natural asphalt) hs 2714, anthracite & semi anthracite hs 270111, thermal / steam coal hs 270112, metallurgical coke / coking coal hs 2704, copper ore & concentrate hs 2603, silica sand hs 2505, barite (api 4.1 / 4.2, lumps & 200 mesh powder), bentonite, bauxite, kaolin, calcium carbonate, iron ore, coltan (tantalite/columbite).Sourcing and export
