| Company | Timeline | Status | |
| Keyform Limited Secretary • Director  | 7 Dec 2005←19 Years→Current  | Active  | |
| Dorvic Engineering Co. Limited Secretary • Sales  | 7 Dec 2005←19 Years→Current  | Active  | |
| Dorvic Engineering Co. Limited Director • Sales  | 7 Dec 2005←19 Years→Current  | Active  | |
| Keyform Limited Director • Sales  | 16 Aug 2005←20 Years→Current  | Active  | |
