| Company | Timeline | Status | |
| Capital Valves Holdings Limited Director • None | 17 Mar 2010←11 Months→23 Feb 2011 | Dissolved | |
Towercrest Investments (Holdings) Limited Director • Valve Consultant | 28 Feb 1999←21 Years→9 Sep 2020 | Dissolved | |
| Towercrest Investments Limited Director • Valve Consultant | 28 Oct 1998←22 Years→6 Jul 2021 | Dissolved | |
| Capital Valves Limited Director • Company Director | 31 Oct 1992←18 Years→23 Feb 2011 | Dissolved | |
