A staff member works in a factory producing face mask earloop in Qingdao, east China's Shandong Province, March 5, 2020. The factory has resumed production of face mask earloop to aid the fight against the novel coronavirus.Photo:Xinhua

A staff member works in a factory producing face mask earloop in Qingdao, east China's Shandong Province, March 5, 2020. The factory has resumed production of face mask earloop to aid the fight against the novel coronavirus.Photo:Xinhua

A staff member works in a factory producing face mask earloop in Qingdao, east China's Shandong Province, March 5, 2020. The factory has resumed production of face mask earloop to aid the fight against the novel coronavirus. Photo:Xinhua