| Company | Timeline | Status | |
| Wintersells Road Management Limited Director • Regional General Manager | 10 Oct 1997←3 Years→30 Aug 2001 | Active | |
| Yalding Watermill Management Association Limited Director • Manager | 30 Jan 1997←2 Years 5 Months→27 Jul 1999 | Active | |
| Mixconcrete Limited Director • Director | 30 Mar 1991←1 Year 8 Months→1 Dec 1992 | Active | |
