| Company | Timeline | Status | |
Star International Oil Holding Limited Secretary • Unreported | 22 Jul 2009←9 Years→8 Jan 2019 | Dissolved | |
International Union Petroleum Technology Limited Secretary • Unreported | 5 Aug 2008←8 Years→17 Jan 2017 | Dissolved | |
Cooper Chemical Co., Ltd Secretary • Unreported | 29 May 2008←6 Years→6 Jan 2015 | Dissolved | |
Flamengo Energy Service Limited Secretary • Unreported | 22 Apr 2008←11 Years→18 Jun 2019 | Dissolved | |
| UK United Dragon Science Co., Limited Secretary • Unreported | 9 Apr 2008←8 Years→14 Mar 2017 | Dissolved | |
| Xia Yuan International Limited Secretary • Unreported | 17 Mar 2008←17 Years→Current | Active | |
