| Company | Timeline | Status | |
| Redland Engineering Limited Director • Mechanical Engineer | 1 Jan 2011←10 Years→12 Jan 2021 | Dissolved | |
Monier Technical Centre Limited Director • Mechanical Engineer | 1 Jan 2011←5 Years→12 Apr 2016 | Dissolved | |
| Monier (China) Holdings Limited Director • Mechanical Engineer | 1 Jan 2011←5 Years→12 Apr 2016 | Active | |
