| Company | Timeline | Status | |
| Circle Lens Company Limited Secretary • Director | 18 Jan 2007←15 Years→13 Sep 2022 | Dissolved | |
| Circle Lens Company Limited Director • Director | 18 Jan 2007←15 Years→13 Sep 2022 | Dissolved | |
| Manor Optical Co. Limited Director • Managing Director | 3 Jul 1991←31 Years→13 Sep 2022 | Active | |
