| Company | Timeline | Status | |
| Adament Refractory Settings Limited Director • Director | 2 Nov 1991←34 Years→Current | Active | |
| Adament Refractory Settings Limited Secretary • Unreported | 2 Nov 1991←4 Years→6 Sep 1996 | Active | |
| E.S.Williams(Contractors)Limited Secretary • Unreported | 13 Sep 1991←5 Years→30 Sep 1996 | Active | |
