Guanzhengyun tea is a kind of Pu 'er tea. Guanzhengyun tea is a famous brand tea registered by Kunming Guandu State-owned Assets Investment Management Co., Ltd., and Guanzhengyun tea is also a famous tea. Guan zhengyun tea, people in the industry divide Pu 'er tea's nearly 1-year history into three periods: grade tea, grade tea and Qizi cake tea. Guanzhengyun Tea is a famous brand tea registered by Kunming Guandu State-owned Assets Investment Management Co., Ltd.