Shandong Hongjitang Pharmaceutical Group Co., Ltd. originated from Mr. Le Jingyu, the twelfth generation descendant of the Beijing Tongrentang Le family (the prototype of the protagonist Bai Jingqi in the TV series "The Mansion Gate") and was founded in the 33rd year of the reign of Emperor Guangxu of the Qing Dynasty. "Hongji Hall". It is a large-scale traditional Chinese medicine pharmaceutical enterprise group that is well-known throughout the country. It ranked 47th in the main business revenue of Chinese traditional medicine industry enterprises in China in 2011. It is a member of China Traditional Chinese Medicine Association, Shandong Pharmaceutical Industry Association, Shandong Ejiao Industry Association, Jinan Chemical and Pharmaceutical Industry Association and other associations. The vice-president unit of the company is a high-tech enterprise in Shandong Province and a recognized enterprise technology center in Shandong Province. "Hongjitang" has been rated as a Chinese time-honored brand and a well-known trademark in China. Hongjitang traditional Chinese medicine culture has been included in the intangible cultural heritage of Shandong Province. directory.