Stone yellow is a kind of health mud, and its iron content is three times that of ordinary mud. Black as iron and heavy as ice iron, it feels very good. Moreover, mud is precious and the world stock is very small. Because mud is rare and contains all kinds of elements needed by human body, the price will be higher.
When wiping and brushing, the intensity should be moderate; Never make the pot greasy; After use, the teapot should be cleaned and dried.