About Tongqing Hao Yunnan Tongqing Hao was built in the 18th year of the reign of Emperor Guangxu of the Qing Dynasty by Li Kaiji, the master of the imperial examination. In the 20th year of the reign of Emperor Guangxu, the Qing government awarded him the title of "Rui" because he paid tribute to the Qing Dynasty for tea. "Gong Tianchao" golden plaque (destroyed during the Cultural Revolution).

In the middle and late Qing Dynasty, the Yibang Tea Mountain declined and the Yiwu Tea District emerged, gathering many tea merchants in Yunnan at that time. They set up factories to make tea, introduced advanced tea-making technology, and used large-leaf tea to produce tea. The delicate white-tip tea made in Yangchun made Yiwu the top of the six tea mountains in ancient Xishuangbanna in terms of tea production and quality. Tongqinghao Tea House set up a tea factory in Yiwu in 1736, and the tea making history in Yiwu spans more than a hundred years.

Tongqinghao round tea is divided into two types: Neipiao and Neifei. Before 1920, it was the "Longma trademark", and later it was the "Double Lion Flag Picture". Both of them were based on the tea products before 1920. It's a masterpiece. Packed in the best bamboo rugs, the surface is light golden yellow. The bamboo strips and bamboo skin used for binding are similar in color to the bamboo rugs. Tongqinghao Laoyuan Tea is characterized by its elegance and restraint, which is unparalleled among others. It is an extremely soft and beautiful tea. It is regarded as a national masterpiece and enjoys the reputation of "Queen of Pu'er Tea".

In 2004, Li Kaiji’s great-grandson rebuilt Tongqing Hao and launched this commemorative tea cake at the same time.