| Company | Timeline | Status | |
| M.A.T.E.K. Limited Director • Director | 19 Dec 1991←28 Years→9 Jun 2020 | Dissolved | |
| M.A.T.E.K. Limited Secretary • Unreported | 19 Dec 1991←28 Years→9 Jun 2020 | Dissolved | |
| Amco Plastics Limited Director • Consultant | 9 Jun 1991←2 Years 11 Months→14 May 1994 | Dissolved | |
