| Company | Timeline | Status | |
| Concept Training And Recruitment Limited Secretary • Unreported | 1 Oct 1996←7 Months→22 May 1997 | Active | |
| Heat Insulation Ltd Secretary • Unreported | 1 Oct 1996←7 Months→22 May 1997 | Active | |
| Concept Training And Recruitment Limited Director • Managing Director | 6 Mar 1992←14 Years→8 Aug 2006 | Active | |
| Heat Insulation Ltd Director • Chairman | 21 Jul 1991←13 Years→31 May 2005 | Active | |
