| Company | Timeline | Status | |
| Aactron Equipment Co. Limited Secretary • Retired Engineer | 1 Aug 2003←22 Years→Current | Active | |
| Aactron Equipment Co. Limited Secretary • Retired Engineer | 1 Aug 2003←22 Years→20 Sep 2025 | Active | |
| Actron Ltd Secretary • Unreported | 31 Dec 1991←25 Years→22 Mar 2017 | Active | |
