| Company | Timeline | Status | |
| Columbia Ribbon Manufacturing Company Limited Director • Company Director | 18 Dec 2003←8 Years→14 Dec 2012 | Dissolved | |
| Columbia Ribbon Manufacturing Company Limited Secretary • Unreported | 14 Feb 2003←9 Years→14 Dec 2012 | Dissolved | |
| Kolok Manufacturing Company Limited Secretary • Unreported | 14 Feb 2003←22 Years→Current | Active | |
