| Company | Timeline | Status | |
| Seal (U.P.V.C. Products) Limited Secretary • Director | 8 Dec 1994←6 Years→7 Sep 2001 | Active | |
| Seal (U.P.V.C. Products) Limited Director • Director | 8 Feb 1992←34 Years→Current | Active | |
| Seal (U.P.V.C. Products) Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
