| Company | Timeline | Status | |
| Three Spires Glass Co. Limited Secretary • Unreported | 6 Jul 1991←14 Years→5 Apr 2006 | Active | |
| Three Spires Glass Co. Limited Director • Working Director | 6 Jul 1991←5 Years→1 Jun 1997 | Active | |
| Three Spires Glass Co. Limited Director • Working Director | 23 Apr 1971←42 Years→28 Mar 2014 | Active | |
