| Company | Timeline | Status | |
| Gradegable Limited Director • Company Secretary | 31 Jul 1991←26 Years→1 Oct 2017 | Active | |
| Gradegable Limited Secretary • Unreported | 31 Jul 1991←26 Years→1 Oct 2017 | Active | |
| Art & Music Corporation Limited Secretary • Unreported | 31 Jul 1991←8 Months→5 Apr 1992 | Active | |
