Which companies in Beijing stop producing in vitro diagnostic reagents?

1, Beijing Zheng Jun Biomedical Technology Co., Ltd.;

2. Beijing Jinyu Medical Inspection and Research Institute Co., Ltd.;

3. Kang Hua Tongxin Biotechnology Co., Ltd.;

4. Beijing Optics Valley Biotechnology Co., Ltd.;

5. Beijing Tiancheng Avenue Biotechnology Co., Ltd;

6. Beijing Zhongke Chuangyi Biotechnology Co., Ltd..