Changchun Biological refers to Changchun Institute of Biological Products, which is a large state-owned key pharmaceutical enterprise with a long history. Now it is managed by China Biotechnology Group and affiliated to Sinopharm Group. Changchun Changsheng is a private enterprise of Changchun Changsheng Biotechnology Co., Ltd.. Therefore, Changchun Bio and Changchun Changsheng are not the same company.