overall, it's good. Double happiness electric double happiness pressure cooker is a practical cooking appliance. It has incomparable advantages over other cooking utensils, and can meet various cooking needs. Functionally, it integrates the functions of various utensils and is the first choice to replace electric cookers, double happiness pressure cookers, electric stews, stews and other pots.

there are several kinds of materials for the inner liner of double happiness electric double happiness pressure cooker, including stainless steel, black crystal, Tao Jing, or one pot with two bladders. Among them, the stainless steel liner is the best, durable and safe; Black crystal is made of high-strength alloy material, dark and bright, with high strength; Tao Jing's liner is second only to stainless steel; It is recommended to have double bladders. The compound coated liner is mainly used for making meat. The compound coated liner is easy to absorb flavor, and the flavor of meat may remain a little after meat cleaning.

Extended data:?

Pressure cooker, also called pressure cooker and pressure cooker, is a kind of kitchen cooker. The pressure cooker exerts pressure on water through the physical phenomenon that the boiling point of liquid will rise under higher air pressure, so that the water can reach a higher temperature without boiling, so as to speed up the efficiency of stewing food. It can be used to heat the cooked food to above 1℃. In high altitude areas, the pressure cooker can avoid the problem that the boiling point of water decreases and it is difficult to cook food.

Reference: Baidu Encyclopedia-Pressure cooker