| Company | Timeline | Status | |
Smartree Limited Secretary • Unreported | 22 Aug 2001←16 Years→24 Oct 2017 | Dissolved | |
| Linroban Limited Secretary • Unreported | 18 Nov 1997←6 Years→30 Apr 2004 | Active | |
| International Design Engineering And Services Limited Director • Director | 31 Dec 1989←6 Months→26 Jul 1990 | Dissolved | |
| International Design Engineering And Services Limited Secretary • Unreported | 31 Dec 1988←24 Years→15 Jul 2013 | Dissolved | |
