| Company | Timeline | Status | |
| Alcho Electric Company Limited Director • Director | 15 Nov 1991←33 Years→Current | Active | |
| Alcho Electric Company Limited Secretary • Unreported | 15 Nov 1991←33 Years→Current | Active | |
| C.P.A. Engineering Limited Director • Director | 29 Aug 1991←34 Years→Current | Active | |
| C.P.A. Engineering Limited Secretary • Unreported | 29 Aug 1991←34 Years→Current | Active | |
