Quartz
Fluorite powder, fluorite block ore
Quartz, feldspar, silica sand and dolomite
Artificial graphite friction materials, graphite sintering moulds, optical fiber graphite moulds, fine-structure graphite, medium-grain graphite, graphite crucibles, carbon raiser, graphite electrode, purified graphite electrode and isostatic graphite.
Dolomite, flourite powder, pyrophyllite powder, mica powder
Gypsum