| Company | Timeline | Status | |
| Biodeg Chemical Co Limited Secretary • Unreported | 26 May 1999←10 Years→20 May 2010 | Active | |
Biodeg (Formulations) Limited Secretary • Unreported | 26 May 1999←10 Years→20 May 2010 | Dissolved | |
| Crestchem Limited Secretary • Unreported | 19 Dec 1997←12 Years→20 May 2010 | Active | |
