Xihe Niantang and Niantang are actually the same enterprise, and there is no substantive difference. Heniantang is one of the oldest brands in Beijing pharmaceutical industry. Founded in Jiajing four years in Ming Dynasty, the head office is located in Caishikou, with a history of more than 400 years. Henian Hall has a long history in Beijing. Is a health drugstore, providing Chinese medicine, health medicated diet, health tea and other products and services.