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4 days and 3 boards: Keli sensing.7 days and 5 boards: Fenda Technology.9 board: Thiel shares.

Board 3: ASD.7 days and 6 boards: construction industry.9 board: Thiel shares.

5 days and 4 boards: Ningbo Jingda.5 days and 4 boards: overpass lifting.First, the concept of robot