| Company | Timeline | Status | |
| LT Management Ltd Director • Director  | 4 Nov 2015←10 Years→Current  | Active  | |
| JJT Management Ltd Director • Director  | 20 Oct 2011←4 Years→10 Dec 2015  | Active  | |
| J.P. Aero-Com Engineering Co. Limited Director • Sales Director  | 1 Jan 2000←25 Years→Current  | Active  | |
