皇冠体育app

Staff members from Chongqing Frontier City Big Data Management Co, which is located at the Fairy Peach Data Valley in Yubei District, Southwest 皇冠体育app’s Chongqing municipality, present their Urban Comprehensive Service Cloud System. Chongqing has promoted its internet economy as a major engine for the city’s transformation and growth. [Photo/liangjiang.gov.cn]