| Company | Timeline | Status | |
| Circuit Graphics Limited Director • Director | 21 Apr 1995←9 Years→1 Dec 2004 | Active | |
| Circuit Graphics Limited Secretary • Director | 21 Apr 1995←9 Years→1 Dec 2004 | Active | |
| Iceinfo Limited Secretary • Unreported | 14 Feb 1992←8 Years→1 Feb 2001 | Active | |
