| Company | Timeline | Status | |
| Lawtronics Limited Director • Business Executive  | 20 Sep 2000←10 Years→30 Dec 2010  | Active  | |
| Astrosyn International Technology Limited Director • Business Executive  | 25 Nov 1997←13 Years→30 Dec 2010  | Active  | |
| Astrosyn Limited Director • Director  | 19 Nov 1997←13 Years→30 Dec 2010  | Active  | |
