High grade.

According to Baidu Encyclopedia query, Cuidawang is the registered trademark of Zhejiang Cuidawang Cookware Co., Ltd. and has been awarded the title of "Zhejiang Famous Brand Product". The health-preserving selenium iron pot with a national invention patent, as well as a series of healthy cookware such as Chinese medical stone non-stick pot and native iron ore cast iron pot, are No. 1 in the hand-cast alloy cookware industry, so they can be classified as mid-to-high-end.