... sand, in metal and non-metal ores, cement, refractory material, bauxite, Sand Making Machine is a newly researched equipment ... metal and non-metal ores, cement, refractory material, bauxite, silicon carbide, glass material, building material.Features:2. Main shaft is equipped with ... the utilization ratio.Working Principle:1. Center Feeding:Raw material falls down into feed hopper, then enters impellor ...