| Company | Timeline | Status | |
| Sunlit Consultants Ltd Director • Unreported | 21 Sep 2019←6 Years→Current | Active | |
| Duan Associates Ltd Director • Safety Engineer | 20 Nov 2014←10 Years→21 Jan 2025 | Dissolved | |
D&G Future Ltd Director • Safety Engineer | 23 Dec 2013←4 Years→9 Oct 2018 | Dissolved | |
D&G Technology Ltd Director • Senior Safety Engineer | 15 Sep 2010←4 Years→13 Jun 2015 | Dissolved | |
