Yu Xiaoyang
| Company | Stock Code | From | To | Position(s) | Release Date / Document Links | Reason for Change |
|---|---|---|---|---|---|---|
| China Information Technology Development Limited | 08178 | 13-Sep-07 | 15-Aug-11 | ED | ||
| Beijing Enterprises Environment Group Limited | 00154 | 15-Mar-05 | 04-Feb-08 | ED |