1. College
of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang, Hebei Province 050018, People’s Republic of China
2. Hebei Research Center of Pharmaceutical and Chemical Engineering, Shijiazhuang, Hebei Province 050018, People’s Republic of China
3. NCPC Hebei Huamin Pharmaceutical Company, Ltd., Shijiazhang, Hebei Province 052160, People’s Republic of China