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Fourth, the digital economy7 days and 6 boards: Shanzi Hi-Tech.The first board: Panda Dairy, Yike Food, Western Animal Husbandry, Anji Food, Haixin Food, Tongqinglou, Li Ziyuan, Liangpin Shop, Sunshine Dairy, New Dairy, Huang Shanghuang, Xi 'an Catering, Maiquer, Yonghui Supermarket, Friendship Group, Jiajiayue and Dongbai Group.

4 days and 3 boards: Royal Bank shares.2 boards: China Research Institute and Walter.7 days and 6 boards: construction industry.

10 days and 9 boards: Rishang Group.The first board: University of Technology Yake, Rongji Software, Fudan Fuhua, Join-Cheer Software.Third, artificial intelligence