... (such as heaters, thermal insulation material, insulation materials, etc.)Providing graphite moulds, molds, graphite felt, graphite foil, graphite rod, graphite sheet, utensils, crucibles used in ... , graphite rings, graphite bearings, graphite leaf Providing carbon felt, carbon cords, graphite power, graphite felt, and compound carbon felt of different specifications graphite crucible for melting ...