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2 boards: China Research Institute and Walter.First, the concept of robot3 days and 2 boards: Fuda shares.

7 days and 5 boards: Fenda Technology.The first board: 3D Communication, Shensi Electronics, Worth Buying, Hongda New Materials, Oriental Seiko, Aofei Entertainment, Jinzitianzheng, Rongji Software and Join-Cheer Software.2 boards: China Research Institute and Walter.

7 days and 6 boards: construction industry.4 days and 3 boards: Keli sensing.2 boards: China Research Institute and Walter.