| Company | Timeline | Status | |
| Powel International Limited Secretary • Unreported | 24 Oct 1992←5 Years→28 Aug 1998 | Active | |
| Powel Automation Limited Director • Engineer | 10 Apr 1992←6 Years→28 Aug 1998 | Dissolved | |
| Powel Automation Limited Secretary • Unreported | 10 Apr 1992←6 Years→28 Aug 1998 | Dissolved | |
| Eltonstone Limited Director • Engineer | 17 May 1991←18 Years→8 Dec 2009 | Active | |
| Eltonstone Limited Secretary • Unreported | 17 May 1991←18 Years→8 Dec 2009 | Active | |
