1. When the metal pan is shoveled and pressed, the cast iron layer on the surface is easy to fall off. Try using a wooden spatula.
2. Please add oil or water to the hot pot and heat it on medium fire. Don't use the biggest fire.
3. Cook noodles in a wok all the year round, so that all the grease in the protective wok is washed clean.
4. After washing the pan, it was not dried in time, which caused the iron pan to rust and thin.