The 2022 World 5G Congress, co-sponsored by the Heilongjiang Provincial people's Government, the National Development and Reform Commission, the Ministry of Science and Technology, and the Ministry of Industry and Information Technology, opened in Harbin today. The three-day conference, with the theme of "Building 5G Ecology to promote Co-creation and Co-benefit", was jointly held offline and online. The conference presents the technological progress and product innovation of 5G industry in the form of conferences, exhibitions, competitions and investment negotiations, and builds a bridge for cross-regional industrial cooperation. Well-known experts and scholars in the field of communications are invited to discuss many topics such as 5G international cooperation, technology foresight, digital industry, 5G + industry application and so on.