Shandong Buchang Pharmaceutical Co., Ltd. (referred to as "Buchang Pharmaceutical") was established in 2001 and completed the shareholding system restructuring in 2012. In July 2016, it passed the IPO review by the China Securities Regulatory Commission and was successfully listed on November 18, 2016. , Shandong Danhong Pharmaceutical Co., Ltd. is a wholly-owned subsidiary of Buchang Pharmaceutical. Install the "Clean Zone Smart Manager" at the entrance and exit of the clean area of ​​the preparation/extraction workshop to dynamically monitor the number of personnel in the clean area and intelligently manage the service life, cleaning and sterilization processes of the clean clothes. The system assigns corresponding access permissions for all types of personnel, monitors and controls the number of people entering the clean area in real time; records the service life, cleaning, and sterilization status of clean clothes in real time, responds to the access control permissions of the clean area, and regulates the entry and exit of employees in the production area Behavior, to realize the intelligent and precise management of personnel entering and exiting in the clean area. The system can query information such as the entry and exit records of the entrances and exits of each area, the number of personnel in the clean area, the cleaning and sterilization records of the clean clothing itself, and the service life, and generate reports to realize the use of personnel entering and exiting the clean area and the clean clothing. Carry out comprehensive dynamic follow-up management.