Product Sumo: 1, Junda chrome corundum ndeye alumina poda sechinhu chikuru mbishi, inochinjika kune chromium oxide, inonyungudika nekupisa kwearc vira. 2, ruvara rupingi, kuoma uye chena corundum zvakafanana, kuomarara kwakakwira kupfuura chena corundum. Mabrasives anogadzirwa ane charac...
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