| Company | Timeline | Status | |
| Alpet Holdings Limited Director • Director | 18 Dec 2002←13 Years→6 Apr 2016 | Active | |
Sino-European Limited Director • Director | 17 Dec 2002←3 Years→28 Mar 2006 | Dissolved | |
Global Certification Limited Director • Consultant | 1 Jan 1994←12 Years→10 Apr 2006 | Dissolved | |
