[2023 Digital Expo closing project signed investment of 61.3 billion yuan] the 2023 China International big data Industrial Expo held in Guiyang City, Guizhou Province ended on 28 May. This year's Digital Expo held a forum around cutting-edge hot topics such as eastern and western mathematics and artificial intelligence models, attracted 328 enterprises to participate offline, released a total of 20 leading international and domestic scientific and technological achievements, signed 71 projects, and invested 61.3 billion yuan.