| Company | Timeline | Status | |
| Acru Electric Tool Manufacturing Co. Limited(The) Secretary • Unreported | 12 Apr 1992←2 Years 8 Months→30 Dec 1994 | Active | |
| Rubert & Co. Limited Secretary • Unreported | 12 Apr 1991←3 Years→30 Dec 1994 | Active | |
| Acru Electric Tool Manufacturing Co. Limited(The) Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
| Rubert & Co. Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
