![](http://www.ecns.cn/hd/2021/01/07/2d0a7d1dac9c44149ec12ae6214fee25.jpg)
A staff member of the Beijing Institute of Biological Products demonstrates the bottled COVID-19 inactivated vaccine products in Beijing on Jan. 6, 2021. (Photo: China News Service/Hou Yu)
![](http://www.ecns.cn/hd/2021/01/07/889342b3d192440e9f346c07439eef9f.jpg)
The filling link on the COVID-19 vaccine production line on Jan.6, 2021. (Photo: China News Service/Hou Yu)
![](http://www.ecns.cn/hd/2021/01/07/9225768da9aa4a0b91af8ed630720914.jpg)
Bottled inactivated vaccines undergoing light inspection on Jan.6, 2021. (Photo: China News Service/Hou Yu)
![](http://www.ecns.cn/hd/2021/01/07/83577d82097b4182b0040fe731380e05.jpg)
Pre-filled syringe vaccines on packaging production line, Jan.6, 2021. (Photo: China News Service/Hou Yu)
![](http://www.ecns.cn/hd/2021/01/07/4e8d32acc3444baca0fbdd35c6966b8b.jpg)
A staff member checks the pre-filled syringe vaccines on packaging production line on Jan.6, 2021. (Photo: China News Service/Hou Yu)
![](http://www.ecns.cn/hd/2021/01/07/81c9f1da4a124b24900aaae585fd4edc.jpg)
Bottled inactivated vaccine products on packaging production line, Jan.6, 2021. (Photo: China News Service/Hou Yu)