Kirin official hat is better. Kirin official hat, also called Wang Yong official hat, is a grafted walnut variety and a large variety of walnut in Wan Wen. Its main feature is its size, which is the largest variety of walnut in Wan Wen, and it always exceeds 50. Compared with the Kirin official hat on the fourth floor, it is undeniable that the Kirin official hat is beautiful.

Walnuts in Wan Wen are mainly divided into four categories, namely Qiu Zi Walnut, Hemp Walnut, Iron Walnut and Cotton Walnut. Among them, Juglans Juglans is the main walnut variety in Wan Wen, which belongs to semi-wild walnut. It is mainly produced in Shanxi and Hebei areas of North China, and is basically used in Wan Wen, and its price is very expensive. Qiu Zi walnut belongs to wild walnut, which is mainly produced in the northeast. It is used for low-end Wan Wen walnut, but the price is not high, but it is slightly more expensive than using walnut. Iron walnut is a southern walnut variety, which is big and has a good appearance. It can be used as a low-end Wan Wen walnut, while smaller walnuts are basically used for fire and cotton.