| Company | Timeline | Status | |
DRS Data And Research Services Limited Director • Engineer | 19 Nov 1991←6 Years→18 Sep 1998 | Dissolved | |
| China Connection (G & G) Limited Director • Technical Director | 31 May 1991←23 Years→25 Oct 2014 | Dissolved | |
| China Connection (G & G) Limited Director • Unreported | 1 Jan 1970←44 Years→25 Oct 2014 | Dissolved | |
