First, observe the surface quality of the non-stick layer.
Non-stick pan surface should be smooth, uniform color, no bubbles, no fall off, no obvious defects such as dirt, cracks and cracks; external surface should be smooth, uniform color, no fall off and other defects.
Nonstick handles should be secure.
Secondly, there are many fraudulent activities such as shoddy packaging, inferior quality non-stick coatings posing as high-quality coatings, and the thickness of substrate materials below standard requirements.
Therefore, we should select products produced by famous companies