| Company | Timeline | Status | |
| Eastman Group Limited Secretary • Unreported | 12 Nov 2007←12 Years→30 Dec 2019 | Active | |
| Eastman Technologies Limited Secretary • Unreported | 12 Nov 2007←12 Years→30 Dec 2019 | Active | |
| Eastman-Pos Limited Secretary • Unreported | 12 Nov 2007←12 Years→30 Dec 2019 | Active | |
| Pierhouse Business Solutions Limited Secretary • Administrator | 4 Jan 2007←12 Years→30 Dec 2019 | Active | |
| Highport Management Limited Secretary • Research Administrator | 28 Jan 2003←22 Years→Current | Active | |
