The reason why Yangcheng casserole is so expensive is that Yangcheng casserole is an old brand with a good reputation and good quality. According to the relevant public information available, Yangcheng casserole is very famous in the local area, is the first choice of every family to buy casserole, the reason is that the history of Yangcheng casserole originated in 1989, there is a long historical heritage and good quality, so sell very expensive. Yangcheng casserole firing technology for Shanxi Province Intangible Cultural Heritage.