| Company | Timeline | Status | |
| T C Systems Technology Limited Director • Engineer | 11 Feb 2011←10 Years→5 Oct 2021 | Dissolved | |
| T C Systems Technology Limited Secretary • Unreported | 29 Apr 2003←6 Years→17 Jun 2009 | Dissolved | |
| T C Systems Technology Limited Director • Scientist | 22 Mar 2002←7 Years→17 Jun 2009 | Dissolved | |
