| Company | Timeline | Status | |
| Jinmyung Europe Limited Director • Director | 7 Jan 2019←6 Years→Current | Active | |
| Duradrive Transmission Components Limited Director • None | 18 Jun 2015←5 Years→11 May 2021 | Dissolved | |
| Friction Marketing Company Limited Director • None | 18 Jun 2015←10 Years→Current | Active | |
| FMC Friction Solutions Limited Director • None | 20 Apr 2015←6 Years→19 Oct 2021 | Dissolved | |
