This box has strong versatility and is widely used in high-temperature experiments, heat treatment and drying treatments for various purposes. It is the most versatile drying box. The working room of the drying oven is made of stainless steel, and the outer shell is made of high-quality cold-rolled steel plates. The middle is filled with environmentally friendly aluminum silicate fiber cotton. The outer shell is spray-coated and durable. It uses an efficient and energy-saving heater, a reasonable blowing system, and a complete control system, which makes the temperature in the studio more uniform. It adopts dual digital display temperature controller, which is eye-catching and intuitive, and PID temperature control is accurate without temperature rush. It has timing control function and secondary over-temperature protection function.