Company | Timeline | Status | |
Ultratone Scientific Instruments Limited Director • Marketing Director | 14 Feb 2000←4 Years→31 Jan 2005 | Active | |
Speed 9495 Limited Director • Marketing Director | 14 Feb 2000←4 Years→31 Jan 2005 | Active | |
C. Scope International Limited Director • Marketing Manager | 1 May 1997←11 Years→10 Dec 2008 | Active |