| Company | Timeline | Status | |
| Alstron Properties Limited Director • Property Developer  | 30 Mar 2006←10 Years→3 Feb 2017  | Active  | |
| Alstron Properties Limited Secretary • Property Developer  | 30 Mar 2006←10 Years→3 Feb 2017  | Active  | |
| Alstron Property Services Ltd Secretary • Unreported  | 26 Feb 1999←15 Years→30 Mar 2014  | Active  | |
| Providence Land Securities Ltd Secretary • Unreported  | 26 Mar 1996←8 Years→10 Mar 2005  | Active  | |
