| Company | Timeline | Status | |
| South Girl Production Music Ltd Secretary • Electronic Engineer | 23 May 2007←18 Years→Current | Active | |
| KT Electronics Limited Director • Director | 1 Mar 2005←11 Years→14 Jun 2016 | Active | |
| KT Electronics Limited Secretary • Director | 1 Mar 2005←11 Years→14 Jun 2016 | Active | |
