| Company | Timeline | Status | |
| Man Acoustics Limited Director • Operations Manager | 16 Apr 2004←21 Years→Current | Active | |
| Fans & Blowers Limited Director • Operations Manager | 16 Mar 2004←5 Years→31 Mar 2009 | Active | |
| TN Holdings Limited Director • Operations Manager | 16 Mar 2004←5 Years→31 Mar 2009 | Active | |
