Sum Yuk Biu
| Company | Stock Code | From | To | Position(s) | Release Date / Document Links | Reason for Change |
|---|---|---|---|---|---|---|
| Concord New Energy Group Limited | 00182 | 29-Apr-97 | Ch | |||
| Concord New Energy Group Limited | 00182 | 03-Jun-98 | 29-Apr-97 | Co-Fdr | ||
| Concord New Energy Group Limited | 00182 | 03-Dec-99 | 29-Apr-97 | MD |