... sintering, different kinds of crystallization production, sintering monocrystalline silicon for semiconductors. Since these furnaces work at extremely high ... Hardening, Tempering, etc.Crystal Growing Industry:Heat Insulation for Silicon, SiC, Indium Phosphide, Gallium Arsenide, Sapphire, Optical Crystals, ... 86-150-0250-7210 Mr. Yan (Marketing and Sales Director)Home: http://www.HSCF-Group.com HSCF in ...