| Company | Timeline | Status | |
| Springwell Management Company Limited Secretary • Unreported | 3 Mar 1998←1 Year 10 Months→24 Jan 2000 | Active | |
| Springwell Management Company Limited Director • Scientist | 1 Sep 1991←11 Years→30 Dec 2002 | Active | |
| Springwell Management Company Limited Director • Unreported | 1 Jan 1970←33 Years→30 Dec 2002 | Active | |
