2 boards: China Research Institute and Walter.10 days and 9 boards: Rishang Group.7 days and 6 boards: construction industry.
9 board: Thiel shares.3 days and 2 boards: Fuda shares.
7 days and 6 boards: construction industry.4 days and 3 boards: Wenfeng Group.
Strategy guide
Strategy guide 12-13