| Company | Timeline | Status | |
| Stan Chem Holdings Limited Director • Director | 4 Jul 2014←8 Years→30 Sep 2022 | Dissolved | |
| Stan Chem Group Limited Director • Director | 4 Jul 2014←8 Years→30 Jun 2023 | Dissolved | |
| Biotechnica Services Limited Director • Director | 4 Jul 2014←7 Years→7 May 2022 | Dissolved | |
| Stan Chem International Limited Director • Director | 4 Jul 2014←8 Years→8 May 2023 | Dissolved | |
| Akcros Holdings Limited Director • Director | 6 Mar 2009←7 Years→19 Apr 2016 | Active | |
| Valtris Specialty Chemicals Limited Director • Director | 6 Mar 2009←7 Years→19 Apr 2016 | Active | |
