| Company | Timeline | Status | |
| H.Seal & Co.,Limited Secretary • Unreported | 16 Feb 1993←32 Years→Current | Active | |
| H.Seal & Co.,Limited Secretary • Unreported | 16 Feb 1993←31 Years→21 Oct 2024 | Active | |
| H.Seal & Co.,Limited Director • Director | 1 Jan 1970←55 Years→Current | Active | |
