| Company | Timeline | Status | |
| Lawtronics Limited Director • Technical Sales Manager | 30 Dec 2010←7 Years→10 Oct 2018 | Active | |
| Astrosyn International Technology Limited Director • Technical Sales Manager | 25 Nov 1997←20 Years→10 Oct 2018 | Active | |
| Astrosyn Limited Director • Technical Sales Manager | 24 Nov 1997←20 Years→10 Oct 2018 | Active | |
