Participants attend the opening ceremony of the 2020 World Industrial Internet Conference (WIIC) at Qingdao International Conference Center in Qingdao, east China's Shandong Province, Sept. 20, 2020. The two-day event opened Sunday with forums held both online and offline in Shanghai, Shenzhen and Qingdao. (Xinhua/Li Ziheng)

An event is held during the 2020 World Industrial Internet Conference (WIIC) at Qingdao International Conference Center in Qingdao, east China's Shandong Province, Sept. 20, 2020. The two-day event opened Sunday with forums held both online and offline in Shanghai, Shenzhen and Qingdao. (Xinhua/Li Ziheng)