What material is good for a four-hole omelet pan?

The four-hole omelet pan is made of medical stone. The four-hole omelet pan is made of aluminum alloy, and the outer layer is made of corrosion-resistant and wear-resistant melting technology. The whole material is safe, non-stick and durable. After the four-hole frying pan is opened, carefully clean the pan with detergent, fill the four holes of the pan with water and let the water boil. After the water cools naturally, the pot can be used normally.