| Company | Timeline | Status | |
| C.E. Niehoff & Co. Limited Secretary • Unreported | 24 Dec 2002←8 Months→17 Sep 2003 | Active | |
| C.E. Niehoff & Co. Limited Director • General Manager | 7 Dec 1999←10 Years→28 Apr 2010 | Active | |
| C.E. Niehoff & Co. Limited Secretary • Unreported | 18 Nov 1996←3 Years→7 Dec 1999 | Active | |
