| Company | Timeline | Status | |
| Jointhot Limited Director • Pharmacist | 18 Jul 1991←34 Years→Current | Active | |
| Cantonfield Limited Director • Pharmacist | 22 Mar 1991←34 Years→Current | Active | |
| Cantonfield Limited Secretary • Unreported | 22 Mar 1991←34 Years→Current | Active | |
