| Company | Timeline | Status | |
| Chem-Oil Engineering Limited Director • Company Director | 5 Apr 2005←8 Years→24 Oct 2013 | Active | |
| Chem-Oil Engineering Limited Secretary • Company Director | 5 Apr 2005←1 Year→30 Apr 2006 | Active | |
Chem-Oil (Engineering Projects) Limited Director • Engineer | 25 Oct 1991←22 Years→24 Oct 2013 | Dissolved | |
Chem-Oil (Engineering Projects) Limited Secretary • Unreported | 25 Oct 1991←22 Years→24 Oct 2013 | Dissolved | |
