| ETANG LIMITED | Private company limited by shares | Dissolved |
| E-TANG IMPORT&EXPORT CO., LIMITED | Private company limited by shares | Live |
| ETang Cultural Communication Limited | | Live |
| E-TANG ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| HONGKONG ETANG TRADING CO., LIMITED | Private company limited by shares | Live |
| E-Tang International Hotel Investment & Management Limited | Private company limited by shares | Dissolved |
| ETANG DRILLING PRODUCTION SERVICE LIMITED | Private company limited by shares | Live |
| ETANG STEEL (HONG KONG) CO., LIMITED | Private company limited by shares | Dissolved |