| Company | Timeline | Status | |
| Dintgrade Limited Secretary • Office Design Consu Ltant Art | 12 Oct 1999←8 Months→4 Jul 2000 | Active | |
| Dintgrade Limited Director • Office Design Consu Ltant Art | 25 May 1999←1 Year 1 Month→4 Jul 2000 | Active | |
| Dintgrade Limited Director • Office Design Consu Ltant Art | 26 May 1992←1 Year 3 Months→29 Aug 1993 | Active | |
