Quartz crystal, resonators, oscillators.
Quartz tube.
Organoclay(inorgano clay) rheological additive.
Kaolin.
Graphite & carbon.
Calcined kaolin , caco3, equipments and fittings in calcined kaolin.
Graphite electrode.
Fluorspar, wollastonite, sodium silica.
Crystal oscillators.
Quartz clock.
Quartz.
Wollastonite lumpy and powder, silex lining stone(flint block), calcined kaolin.
Kaolin.
Paper faced gypsum.
Refractory raw materials such as flake graphite.
Quartz.
Gypsum board.
Silica product.
Quartz, quartz tube, quartz rod, quartz plate.
Quartz surface; acrylic solid surface.