| CIEC CO., LIMITED | Private company limited by shares | Dissolved |
| CIEC LUCENCY CO., LIMITED | Private company limited by shares | Live |
| CIEC China Industry Engineering Consultant Limited | Private company limited by shares | Dissolved |
| CIEC EXHIBITION COMPANY (H.K.) LIMITED | Private company limited by shares | Live |
| CIEC (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| CIEC INTERNATIONAL EXHIBITION CO., LIMITED | Private company limited by shares | Live |
| CIEC INTERNATIONAL (HONG KONG) LIMITED | Private company limited by shares | Live |
| CIEC PUBLIC RELATIONS LIMITED | Private company limited by shares | Dissolved |
| Ciecoo International Co., Limited | Private company limited by shares | Live |
| CIEC-PACIFIC LIMITED | Private company limited by shares | Dissolved |