| Company | Timeline | Status | |
| M.K. Marking Systems Limited Director • Director | 22 Nov 1991←9 Years→1 Nov 2001 | Active | |
| M.K. Marking Systems Limited Secretary • Unreported | 22 Nov 1991←9 Years→1 Nov 2001 | Active | |
| Ers Group Limited Director • Director | 22 Nov 1991←10 Years→15 Feb 2002 | Liquidation | |
| Ers Group Limited Secretary • Unreported | 22 Nov 1991←10 Years→15 Feb 2002 | Liquidation | |
