Nanjing Yongshengtang is more reliable. According to relevant public information, the business scope of Nanjing Yongshengtang is: licensed business projects: medical services (projects that must be approved according to law can only be operated after approval by relevant departments, and the specific business projects are subject to the approval results). General items: Chinese medicine health care services (non-medical). Traditional Chinese medicine diagnosis and treatment services (can be engaged in business activities only after being filed by the competent department of traditional Chinese medicine) (except for projects that must be approved according to law, business activities can be independently carried out according to law with business licenses).