| Company | Timeline | Status | |
| 1ST Biotech Limited Director • Director  | 11 Jul 2007←18 Years→Current  | Active  | |
| 1ST Biotech Limited Secretary • Director  | 11 Jul 2007←10 Years→31 Oct 2017  | Active  | |
| 1ST Biotech Limited Director • Director  | 11 Jul 2007←15 Years→3 Mar 2023  | Active  | |
| 1ST Coverall Company Limited Director • Director  | 31 Mar 2002←21 Years→3 Apr 2023  | Active  | |
