4 days and 3 boards: Wenfeng Group.Fourth, the digital economy5 days and 4 boards: Ningbo Jingda.
2 board: starlight shares.4 days and 3 boards: Keli sensing.
5 days and 4 boards: overpass lifting.10 days and 9 boards: Rishang Group.7 days and 6 boards: construction industry.