| Company | Timeline | Status | |
| E.D. Cannon Holdings Limited Director • Engineer | 24 Nov 1991←32 Years→23 Feb 2024 | Active | |
| E.D. Cannon Holdings Limited Secretary • Unreported | 24 Nov 1991←32 Years→23 Feb 2024 | Active | |
| Cannon Electronics & Automation Limited Secretary • Unreported | 24 Nov 1991←32 Years→23 Feb 2024 | Active | |
| Cannon Electronics & Automation Limited Director • Engineer | 24 Nov 1991←32 Years→23 Feb 2024 | Active | |
