| Company | Timeline | Status | |
| Tower Of Power Limited Director • Proofreader Translator | 25 Jun 2000←21 Years→1 Dec 2021 | Active | |
| Aquarius Riverside Limited Secretary • Lexicographer | 11 Dec 1994←25 Years→1 Nov 2020 | Active | |
| Aquarius Riverside Limited Director • Lexicographer | 4 Jun 1991←29 Years→1 Nov 2020 | Active | |
