Law Chun Biu
| Company | Stock Code | From | To | Position(s) | Release Date / Document Links | Reason for Change |
|---|---|---|---|---|---|---|
| China Railway Construction Corporation Limited | 01186 | 16-Dec-07 | 01-Dec-17 | CoSec | ||
| China Railway Construction Corporation Limited | 01186 | 16-Dec-07 | 11-Jul-14 | QA | ||
| Crcc High-Tech Equipment Corporation Limited | 01786 | 16-Nov-15 | 22-Mar-05 | CoSec |