It doesn't matter. Huquanzhai and Yangshengtang are two different brands, and there is no direct relationship between them. Huquanzhai is a trademark applied by Beijing Tongrentang (Group) Co., Ltd., which is used as a brand of Chinese patent medicine. The application date is 2010 April 2 1, and the registration announcement date is 2011May 2 1. The trademark holder is Beijing Tongrentang (Group) Co., Ltd., with the registration number of 8 134959, and the international classification is Class 5. Yangshengtang is a brand of Nongfu Spring Co., Ltd., which was founded in 1996. Its products cover drinking water, vitamins, turtle paste, protein powder, edible oil and other foods and health products.