Dolomite and quartzite.
Bentonite.
Zirconium silicate, zircon flor, zirconium opacifier, zircon sand.
Quartzite and quartz.
Transparent quartz tube, yellow quartz tube, gray quartz tube, blue quartz tube, black quartz tube, high ozone quartz tube, carbon fiber heating lamp, halogen heating lamp.
Graphite rotor, graphite rod, graphite crucible, gold melting crucible, carbon graphite grucible, silicon graphite crucible, graphite ring, sealing ring, graphite ring, mechanical bearing, graphite plate, graphite block, graphite vane, pyrolytic graphite, graphite ingot, carbon brush.
Bentonite.
Bentonite powder and granules.
Feldspur pottash, quartz sand, diatomaceous earth.
Quarts lumps and powder.
Semi glassy & grey feldspar mine & granular quartz mine, lumps, grey feldspar lumps.
Sodium feldspar grits.
Mica, vermiculite, rock-chip.
Gypsum powder, soap stone talc.
China clay lumps and powder.
Green quartz, green quartzite.
Bentonite.
Bentonite powder.
Hematite and magnetite iron ore, powder sand etc.
Hematite and magnetite iron ore.