Sonya Ceramics manufactures Magnesium Silicate made Band Heaters. Sonya Ceramics is an ISO 9001 certified company. Sonya Ceramics also manufactures Ceramic items made from Porcelain, Steatite, Cordierite Refractory, Cordierite Tube and Thermo Couple Heads, Insulators, Alumina Refractory and High Alumina of different grades. The Magnesium Silicate made Band Heaters is used in covering heating coil in Band Heaters.