In October 2003, Shanghai Hanhong was established.
In October 2005, Binhai Hanhong Biochemical Co., Ltd. was established.
In 2019, Gaotang Aohan Biotechnology Co., Ltd. was established.
In 2019, Gansu Hanju Pharmaceutical Co., Ltd. was established.
In the same year, Shanghai Huilong Biomedical Co., Ltd. was established.
In 2021, Gansu Huijian Pharmaceutical Co., Ltd. was established.
Gansu Hanke Pharmaceutical Co., Ltd. was established in 2022
Shanghai Hongpeptide Biotechnology Co., Ltd. was established in 2022.