| Company | Timeline | Status | |
| Ostrea Information Technology Limited Director • Manager | 29 Jan 2010←15 Years→Current | Active | |
| Ostrea Holding Limited Director • Manager | 29 Jan 2010←15 Years→Current | Active | |
| Ostrea Management Limited Director • Manager | 29 Jan 2010←15 Years→Current | Active | |
| Ostrea Marketing Limited Director • Manager | 29 Jan 2010←1 Year→18 Feb 2011 | Active | |
