A close-up video of production lines at the Sinopec Yanshan Factory was recorded and released on the social account of a British vlogger, named Stuart, who lives in China.
The video below showcases how disposable facial masks and N95 masks are made from polypropylene grain.
With a daily production capacity of 12 t, Sinopec Yanshan Factory can provide key raw materials for 12 million medical masks on a daily basis.