Non-stick Coating Maintenance Method: 1. Always clean the residue on the stove surface of the machine, brush it with a hard nylon brush while the machine is still warm, and then use a rag or air gun to remove the residue on the surface 2. Do not use metal cleaning tools such as steel balls to scrub the stove surface 3. Do not burn at high temperature for a long time. It is recommended to adjust the temperature to below 100 degrees when not in use. 4. Brush the surface of the pot with cooking oil when the pot is usually opened. Make 9 gourmet donuts in several minutes, suitable for commercial and home use. Read more