Sandwich pot is also known as steam pot, cooking pot, sandwich steam pot. It usually consists of a pot body and a supporting foot. And the pan body is a two-layer structure consisting of a spherical body inside and outside, and the middle layer is heated by steam. Jacketed kettle is usually used for stir-frying vegetables, sugar, gelatin, cooking oil, boiling noodles, fried fillings (such as bean paste filling, lotus paste filling, moon cake filling, mung bean filling, etc.), boiled...