| Company | Timeline | Status | |
Stone Power Transmission Limited Director • Director | 7 Nov 2011←8 Years→19 Nov 2019 | Dissolved | |
| Diamond Lift Services Limited Director • Engineer | 28 Dec 1990←34 Years→Current | Liquidation | |
| Diamond Lift Services Limited Secretary • Unreported | 28 Dec 1990←34 Years→Current | Liquidation | |
