| Company | Timeline | Status | |
| Twin Engineering Limited Director • Engineer | 5 Jul 2004←4 Years→30 Jun 2009 | Active | |
| Twin Property And Management Limited Secretary • Unreported | 12 Sep 1991←4 Years→30 Apr 1996 | Active | |
| Twin Property And Management Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
