1. thermal materials for high quality and energy-saving light-mullite insulation bricks and high quality and high alumina refractory fiber insulation blanket lining, and has excellent insulation properties, thermal coefficient, furnace light weight and so on; 2. heating method using silicon carbide heating, temperature and speed, high temperature furnace clean energy-saving environmental protection, easy to replace and so on; 3. temperature control system using SCR module for intelligent instrument control, temperature control convenient and safe, as long as the function buttons temperature control can be realized, which eliminates fuel regulation equipment trouble; 4. the bottom using silicon carbide Board radiation heating, this has good thermal conductivity, small temperature difference, the bottom level and so on.