Workers check newly produced masks at a plant in Yanqing district in Beijing, March 18, 2020. (Photo: China News Service/Jiang Qiming)
A worker fixes material into a mask-making machine at a plant in Yanqing district in Beijing, March 18, 2020. (Photo: China News Service/Jiang Qiming)
Workers check newly produced masks at a plant in Yanqing district in Beijing, March 18, 2020. (Photo: China News Service/Jiang Qiming)
Workers pack newly produced masks at a plant in Yanqing district in Beijing, March 18, 2020. With a mask-making machine the factory produces 500 masks per minute. (Photo: China News Service/Jiang Qiming)
Workers check newly produced masks at a plant in Yanqing district in Beijing, March 18, 2020. (Photo: China News Service/Jiang Qiming)
A worker checks machine at a facial mask factory in Yanqing district in Beijing, March 18, 2020. (Photo: China News Service/Jiang Qiming)
