... main products include premium high purity Carbon Fiber based of Carbon fiber board, rigid graphite board, graphite felt ... Silicon, SiC, Indium Phosphide, Gallium Arsenide, Sapphire, Optical Crystals, Solar IngotsSpecial Castings Industry:Heat Insulation for ... CVD Applications:Heat Insulation for High Modulus Carbon Fiber Production, Halogen Purification FurnacesElectronic/Semiconductor Industry:Heat ...