An employee works in a toothpaste factory at an economic development zone in Suiyang, southwest China's Guizhou, May 18, 2020. The economic development zone in Suiyang has resumed work and production. By mid-May, its production value has reached 990 million yuan (139.2 million U.S. dollars). (Xinhua/Yang Ying)

Employees work in an earphone factory at an economic development zone in Suiyang, southwest China's Guizhou, May 18, 2020. The economic development zone in Suiyang has resumed work and production. By mid-May, its production value has reached 990 million yuan (139.2 million U.S. dollars). (Xinhua/Yang Ying)

Employees work in an earphone factory at an economic development zone in Suiyang, southwest China's Guizhou, May 18, 2020. The economic development zone in Suiyang has resumed work and production. By mid-May, its production value has reached 990 million yuan (139.2 million U.S. dollars). (Xinhua/Yang Ying)