| Company | Timeline | Status | |
| Kaisertech Limited Director • Sales Director | 20 Jul 1998←27 Years→Current | Active | |
| Kaisertech Limited Director • Sales Director | 20 Jul 1998←22 Years→1 May 2021 | Active | |
| Ok International Limited Director • Director | 4 Jan 1994←4 Years→22 Jun 1998 | Active | |
