| Company | Timeline | Status | |
| Spectron Communications Limited Director • Director | 24 Nov 1991←11 Years→13 Dec 2002 | Active | |
| Spectron Communications Limited Secretary • Unreported | 24 Nov 1991←11 Years→13 Dec 2002 | Active | |
| Spectron Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
