| Company | Timeline | Status | |
| Sino-Enterprise Co Ltd Director • Engineer | 30 May 2013←11 Years→22 Apr 2025 | Dissolved | |
ML Electrical Co. Ltd Director • Manager | 22 Feb 2007←7 Years→27 May 2014 | Dissolved | |
| Barron Educational Company Limited Director • Director | 30 Jul 1991←2 Years→30 Jul 1993 | Dissolved | |
