| Company | Timeline | Status | |
| Ironmongery Services Limited Secretary • Manager | 8 Apr 2002←5 Years→15 Oct 2007 | Active | |
| Construction Supplies (Hardware) Limited Secretary • Unreported | 8 Apr 2002←5 Years→15 Oct 2007 | Active | |
| CSH Holdings Limited Secretary • Manager | 22 Oct 2001←5 Years→15 Oct 2007 | Active | |
