The inner tank of the box is made of stainless steel welding, and the outer shell of the box is made of high-quality steel plate sprayed with plastic, double-layer tempered glass, beautiful and novel in appearance. With over-temperature alarm, over-heat protection, time setting, dual digital display, microcomputer temperature control system. The temperature control is accurate and reliable. Use permanent magnet axial flow fan. Make the temperature in the working room even. Intelligent type and high temperature type have: timing, leakage protection, over-temperature alarm and other functions combined.