| Company | Timeline | Status | |
| Alum Chine Construction Limited Director • Retired | 6 Jul 2005←20 Years→Current | Active | |
| Alum Chine Construction Limited Director • Retired | 6 Jul 2005←20 Years→18 Sep 2025 | Active | |
| Alum Chine Construction Limited Secretary • Unreported | 11 Aug 2003←11 Years→20 Oct 2014 | Active | |
