Nanjing Tongrentang official flagship store. According to Taobao rules, the flagship store is directly stationed by merchants, rather than acting as an agent for sellers. Nanjing Tongrentang Pharmaceutical Co., Ltd. is located at the west foot of the beautiful Yuhuatai Scenic Area. It is the only Chinese medicine enterprise in Nanjing that uses modern technology to produce traditional varieties of ancient prescriptions and comprehensive new dosage forms, integrating science, industry and trade.