Zinc
Iron red oxide, zinc oxide dust.Trading
Minerals ore like copper, zinc, lead.
Iron ore, copper ore, copper concentrate, barite, coltan, antimony, manganese, copper mud, zinc, lead.
Steel, steel tubes.
Coffee beans, leather goods, coal, lead/zinc, iron ore, barites/industrial minerals, bitumen, limestone, tin, phosphates, niobium, lithium, and textile..Consultation, transportation, and shipping services.