Tianjin, China, ili ndi 85% ya masheya a fluorspar, omwe amapereka gwero lodalirika kwa makampani omwe akusowa mchere wofunikirawu.Popereka Fluorite (CaF2: min 85%, SiO2: max 13%, S: max 0.02%, P: max 0.02%), makasitomala akhoza kukhala otsimikiza kuti akulandira zabwino kwambiri ...
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