| Company | Timeline | Status | |
| Anchor Exhibitions Limited Director • Engineer | 29 Oct 1992←15 Years→1 Jan 2008 | Active | |
| Drillfield Engineering Co,Limited Director • Engineer | 11 Sep 1991←34 Years→Current | Liquidation | |
| Shawbury Holdings Limited Director • Engineer | 26 Jun 1991←26 Years→17 Aug 2017 | Active | |
