| Company | Timeline | Status | |
A & A Time Limited Director • Engineer | 21 Apr 2005←8 Years→1 May 2013 | Dissolved | |
| Addtime Recording Company Limited Director • Director | 3 Nov 1991←8 Years→13 Apr 2000 | Active | |
| Addtime Recording Company Limited Secretary • Unreported | 3 Nov 1991←8 Years→13 Apr 2000 | Active | |
