China Int'l big data expo opens
Xinhua,May 27, 2019 Adjust font size:
China International Big Data Industry Expo 2019 opens in Guiyang, southwest China's Guizhou Province, May 26, 2019. The four-day expo will be attended by 448 enterprises from 59 countries and regions, according to the organizing committee. (Xinhua/Ou Dongqu)