See Ching Chuen
| Company | Stock Code | From | To | Position(s) | Release Date / Document Links | Reason for Change |
|---|---|---|---|---|---|---|
| Luxxu Group | 01327 | 04-Mar-15 | 06-Oct-22 | ED | Due to his other business engagements | |
| China Biotech Services Holdings Limited | 08037 | 08-Jun-12 | 15-May-13 | ED |