| Company | Timeline | Status | |
| Taiwan Foods Company Limited Director • Director | 7 Jul 2010←15 Years→Current | Active | |
| Taipec Limited Director • Director | 8 Dec 2009←15 Years→Current | Active | |
| Landmarq Technologies Limited Director • Company Director | 22 Oct 1991←31 Years→18 May 2023 | Dissolved | |
