| Company | Timeline | Status | |
| Filter Pump Services Limited Director • Company Secretary/director | 12 Jul 1996←13 Years→30 Jun 2010 | Active | |
| Filter Pump Services Limited Secretary • Company Secretary/director | 12 Jul 1996←13 Years→30 Jun 2010 | Active | |
| Serfilco International Limited Secretary • Unreported | 22 Mar 1991←13 Years→31 Jul 2004 | Active | |
