MINELCO

Chemicals used in industry, namely, olivine; tempering chemicals and soldering chemical preparations; processed and unprocessed industrial minerals, namely, fused alumina, andalusite, barites, bauxite, bentonite, brucite, calcium carbonate, chromite, dolomite, fluorspar, garnet, graphite, iron oxide, magnesite, micacceous iron oxide, mullite, synthetic quartz, talc and steatite, vermiculite, wollastonite, zircon, boron, ilmenite, kyanite, manganese, silicon carbide

Common metals and their alloys, namely, chrome iron, zirconium; ores, namely, iron ore, manganese ore and annealing ore

Quartz; refractory clay; silicon carbide for refractory purposes