| Company | Timeline | Status | |
| Koolmill Limited Director • Director | 8 Sep 2011←14 Years→Current | Active | |
| Sino Koolmill Limited Director • Unreported | 25 Mar 2009←16 Years→Current | Active | |
| Formula Ventures Limited Director • Director | 22 Oct 1998←24 Years→17 Jan 2023 | Dissolved | |
| Koolmill Systems Limited Director • Director | 22 Jun 1991←34 Years→Current | Active | |
