The three-layer steel non stick pan frying pan is an excellent non stick pan made by using our professional etching machine to etch concave convex honeycomb or other shaped patterns on the inner steel surface of the three-layer steel through etching technology, combined with other non stick technologies. The pan body is heated evenly, has high energy efficiency, saves energy, and avoids food sticking to the pan when users use it. It is easy to clean, and it is less prone to oil explosion during cooking, making it safer