Artificial graphite blank.
Crude kaolin, calcined kaolin.
Flint pebbles and flint block, clay in powder and granulars.
Wood-fiber reinforced gypsum board.
Gypsum board gypsum powder.
Silica fume.
Graphite electrode, graphite block, isotatic graphite, casi/cafe cored wire, metal foam and other graphite products.
Attapulgite clay, bentonite, quartz, mica.
Quartz stone.
Quartz products.
Attapulgite clay powder of high viscosity.
Attapulgite clay.
Quartz crystal, resonators, oscillators.
Quartz tube.
Organoclay(inorgano clay) rheological additive.
Kaolin.