| Company | Timeline | Status | |
| Dean (TWD) Limited Secretary • Unreported  | 11 Sep 2007←12 Years→29 Nov 2019  | Dissolved  | |
| TW Dean Group Limited Secretary • Unreported  | 30 Apr 2007←12 Years→29 Nov 2019  | Active  | |
| Sandhurst Limited Secretary • Unreported  | 2 Nov 2006←12 Years→9 May 2019  | Active  | |
| Sandhurst Plant Limited Secretary • Unreported  | 28 Sep 2001←18 Years→29 Nov 2019  | Active  | |
| SMCH Limited Secretary • Unreported  | 1 Sep 2001←18 Years→29 Nov 2019  | Dissolved  | |
