Shanghai facial mask factories increase production(1/7)

Workers manufacture facial masks at a factory in Shanghai on February 4, 2020. All the 17 companies in the city that manufacture facial masks resume production and are increasing output capacity. （Photo: China News Service/Tang Yanjun）

Workers manufacture facial masks at a factory in Shanghai on February 4, 2020. All the 17 companies in the city that manufacture facial masks resume production and are increasing output capacity. （Photo: China News Service/Tang Yanjun）

Workers manufacture facial masks at a factory in Shanghai on February 4, 2020. All the 17 companies in the city that manufacture facial masks resume production and are increasing output capacity. （Photo: China News Service/Tang Yanjun）

Workers manufacture facial masks at a factory in Shanghai on February 4, 2020. All the 17 companies in the city that manufacture facial masks resume production and are increasing output capacity. （Photo: China News Service/Tang Yanjun）

Workers manufacture facial masks at a factory in Shanghai on February 4, 2020. All the 17 companies in the city that manufacture facial masks resume production and are increasing output capacity. （Photo: China News Service/Tang Yanjun）

Workers manufacture facial masks at a factory in Shanghai on February 4, 2020. All the 17 companies in the city that manufacture facial masks resume production and are increasing output capacity. （Photo: China News Service/Tang Yanjun）

Workers manufacture facial masks at a factory in Shanghai on February 4, 2020. All the 17 companies in the city that manufacture facial masks resume production and are increasing output capacity. （Photo: China News Service/Tang Yanjun）