| Company | Timeline | Status | |
| Hydac International Limited Director • Director | 14 Aug 2002←16 Years→1 Mar 2019 | Active | |
| Hydac Technology Limited Director • Director | 26 Aug 1993←25 Years→1 Mar 2019 | Active | |
| Hydac Limited Director • Director | 7 Jun 1993←25 Years→1 Mar 2019 | Active | |
