| Company | Timeline | Status | |
| Spectatron Transport Limited Director • Director | 6 Sep 2000←10 Years→1 Nov 2010 | Active | |
| Spectatron Transport Limited Secretary • Director | 6 Sep 2000←10 Years→1 Nov 2010 | Active | |
Mark Metals Limited Director • Director | 14 Jan 1997←17 Years→22 Apr 2014 | Dissolved | |
Mark Metals Limited Secretary • Director | 14 Jan 1997←17 Years→22 Apr 2014 | Dissolved | |
