| Company | Timeline | Status | |
| Tubela Engineering Company Limited Director • Company Director | 31 Jan 1992←→30 Dec 1991 | Active | |
Hainault Engineering Co.Limited Director • Company Director | 31 Dec 1990←12 Months→30 Dec 1991 | Dissolved | |
Tubela Development Company Limited Director • Company Director | 31 Dec 1990←12 Months→30 Dec 1991 | Dissolved | |
