| Company | Timeline | Status | |
| Super Seal Windows Limited Director • Director | 6 Mar 2003←22 Years→Current | Active | |
| Twinrock Limited Director • Director | 24 Jan 2002←16 Years→10 Aug 2018 | Active | |
| Super Seal Window Systems Limited Director • Director | 12 Apr 1990←35 Years→Current | Active | |
| Super Seal Window Systems Limited Secretary • Unreported | 12 Apr 1990←35 Years→Current | Active | |
