Tianjin, Ubushinwa, ifite 85% byimigabane ya fluorspar, itanga isoko yizewe kumasosiyete akeneye aya mabuye y'agaciro.Mugutanga Fluorite (CaF2: min 85%, SiO2: max 13%, S: max 0.02%, P: max 0.02%), abakiriya barashobora kwizera ko bahabwa ubuziranenge ...
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