| Company | Timeline | Status | |
| Chrome-Alloying Co.Limited(The) Director • Accountant | 31 Dec 1991←20 Years→14 Mar 2012 | Liquidation | |
Dramex Expanded Metal Limited Director • Accountant | 31 Dec 1990←10 Years→5 Jun 2001 | Dissolved | |
| Diffusion Alloys Limited Director • Accountant | 31 Dec 1990←21 Years→5 Oct 2012 | Dissolved | |
| Chrome-Alloying Co.Limited(The) Secretary • Unreported | 1 Jan 1970←29 Years→6 Sep 1999 | Liquidation | |
