1, Rongshida casserole: It is made of high-quality clay, which has good heat-resistant and heat-insulating properties and can retain the original flavor of ingredients.

2. Kang Shu casserole: made of natural clay and fired at high temperature. It has a natural non-porous structure, which can effectively retain the nutritional components of ingredients. Kang Shu casserole also has good acid and alkali resistance and thermal stability, and can be applied to various cooking methods.