| Company | Timeline | Status | |
| Apex Dental Care Limited Secretary • Unreported | 23 Nov 2007←6 Years→19 May 2014 | Active | |
| Cathay Investments Limited Secretary • Unreported | 20 Sep 2006←19 Years→Current | Active | |
| Educational & Scientific Products Limited Secretary • Unreported | 20 Sep 2006←19 Years→Current | Active | |
