Chromium plating can be directly plated on the surfaces of iron, copper, nickel and stainless steel to improve corrosion resistance. Copper, nickel or copper-tin alloy can also be used as the bottom layer, which is resistant to high temperature and heat and will not make food black.

Compared with the original Japanese electric oven, the electric oven has been improved in two aspects. On the one hand, the change of ingredients. Japan's electric barbecue grill is not made of high-grade raw materials, so the cost is high, while teppanyaki chefs use their brains to move many Chinese food ingredients to the iron plate for cooking.