| Company | Timeline | Status | |
| Five Piccadilly Management Company Limited Director • Accountant | 9 Dec 2015←1 Year 7 Months→26 Jul 2017 | Active | |
| Yan Yang Company Limited Director • Accountant | 21 Jan 2010←15 Years→Current | Active | |
| Yan Yang Company Limited Director • Accountant | 21 Jan 2010←1 Year→21 Jan 2011 | Active | |
