| Company | Timeline | Status | |
| Riverside Industrial Equipment Limited Secretary • Unreported | 7 Aug 1991←27 Years→24 Jan 2019 | Active | |
| Riverside Industrial Equipment Limited Director • Co Director | 7 Aug 1991←27 Years→24 Jan 2019 | Active | |
| On-Site Welding And Engineering Company Limited Director • Co Director | 7 Aug 1991←19 Years→24 Nov 2010 | Active | |
| On-Site Welding And Engineering Company Limited Secretary • Unreported | 7 Aug 1991←19 Years→24 Nov 2010 | Active | |
