| Company | Timeline | Status | |
| Happy Car Rental Limited Secretary • Director | 18 Jun 2003←22 Years→Current | Active | |
| Sun-Hat Limited Secretary • Manager | 21 Mar 2003←20 Years→25 Apr 2023 | Active | |
| Prestolite Electric Limited Director • Manager | 31 Oct 1999←5 Years→30 Sep 2005 | Active | |
