| Company | Timeline | Status | |
| Soil Property Testing Limited Secretary • Unreported | 12 Jan 1998←2 Years 11 Months→18 Dec 2000 | Active | |
| Soil Property Testing Limited Secretary • Unreported | 31 Mar 1991←5 Years→16 Jan 1997 | Active | |
| Soil Property Testing Limited Director • Clerk Typist | 31 Mar 1991←9 Years→18 Dec 2000 | Active | |
