A worker assembles a facility at a workshop in Xingtai, north China's Hebei Province, Feb. 19, 2020. By Feb. 18, over 70 percent of enterprises above designated size in Xingtai had resumed production after taking sufficient measures of the novel coronavirus prevention. (Xinhua/Mou Yu)

A worker assembles a facility at a workshop in Xingtai, north China's Hebei Province, Feb. 19, 2020. By Feb. 18, over 70 percent of enterprises above designated size in Xingtai had resumed production after taking sufficient measures of the novel coronavirus prevention. (Xinhua/Mou Yu)

A worker adjusts a facility at a workshop in Xingtai, north China's Hebei Province, Feb. 19, 2020. By Feb. 18, over 70 percent of enterprises above designated size in Xingtai had resumed production after taking sufficient measures of the novel coronavirus prevention. (Xinhua/Mou Yu)