| Company | Timeline | Status | |
| Harden Redstone Company Limited Director • Company Director | 9 Mar 1993←12 Years→9 Dec 2005 | Active | |
| T.T.Walker(Newcastle)Limited Director • Company Director | 9 Mar 1993←18 Years→3 Oct 2011 | Active | |
| Harden Redstone Company Limited Director • Unreported | 1 Jan 1970←35 Years→9 Dec 2005 | Active | |
