In 2001, ms. Cao yang, a restaurant owned mainly by your sour soup cooker, opened the preferred restaurant, guizhou sour soup, on the “zilong street” of beijing's rich restaurant culture。

Since its official creation in 2001, the brand has been flourishing under the leadership of ms. Cao yang, president of the board. To date, there is a production base, a logistics centre and nearly 20 direct-camp shops in beijing, and the development of a market for foreign ports began in 2011. The priority five-year plan will complete the expansion of 100 shops. The 10-year plan will complete 300 stores and aim to become a good brand for the chinese catering industry。

He has always insisted on the slogan "customs above all, hard work, home and food." he has always been a guide in beijing and, indeed, in china's sour soup and soup industry, based on the belief that he will promote the culture of eating and eating in guizhou。