| SU-POWER ELECTRONIC CO., LIMITED | Private company limited by shares | Live |
| SuPower Electronics Co. Limited | Private company limited by shares | Live |
| Hong Kong Supower Group Limited | Private company limited by shares | Live |
| SUPOWER ELECTRONICS (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| SUPOWER ENTERPRISE GROUP (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| SUPOWER MACHINERY LIMITED | Private company limited by shares | Dissolved |
| Supower Resources Limited | Private company limited by shares | Dissolved |
| Supower Science & Technology Limited | Private company limited by shares | Dissolved |
| YUEQING SUPOWER ELECTRIC CO., LIMITED | Private company limited by shares | Live |
| Supowerlite Electric Co., Limited | Private company limited by shares | Live |