| Company | Timeline | Status | |
| Heavyparts Holdings Limited Director • Engineer  | 8 Sep 1992←6 Years→30 Apr 1999  | Active  | |
| Heavyparts Holdings Limited Secretary • Engineer  | 8 Sep 1992←6 Years→28 Apr 1999  | Active  | |
| Heavyparts Hydraulics Limited Secretary • Unreported  | 7 Dec 1991←7 Years→28 Apr 1999  | Active  | |
| Heavyparts Hydraulics Limited Director • Director  | 7 Dec 1991←7 Years→30 Apr 1999  | Active  | |
