Who bought Changchun Biology?

Weiguang Biology Changchun Biology is Changchun Institute of Biological Products. It is a large-scale state-owned pharmaceutical biotechnology enterprise integrating science and technology, development, production and marketing, and an important base for the production and research of biological products and high-tech products for prevention, treatment and diagnosis. Changchun Bio went bankrupt and delisted. Weiguang Bio acquired Changchun Biotechnology and placed scientific researchers, and after the merger, it produced vaccines in strict accordance with national standards. Shenzhen Weiguang Biological Products Co., Ltd. is a national high-tech enterprise, a blood product manufacturer in Shenzhen and a state-owned listed enterprise in Guangming District. Founded in 1985, the company is mainly engaged in research and development, production and sales of blood products.