| Company | Timeline | Status | |
| Castle Chrome Plating Limited Director • Unreported | 5 Apr 2006←19 Years→Current | Active | |
| ASSP Holdings Limited Director • Unreported | 1 Nov 2004←21 Years→Current | Active | |
| Castle Polishing & Chrome Plating Limited Director • Operations Director | 23 Apr 2002←23 Years→Current | Active | |
