| RUISI LIMITED | Private company limited by shares | Live |
| Ruisi HK Limited | | Live |
| RUISI BUSINESS LIMITED | | Live |
| Ruisi Creative Limited | | Live |
| Ruisi Enterprise Limited | | Live |
| RUISI (HOLDING) INVESTMENT LIMITED | Private company limited by shares | Live |
| RUISIAO CO., LIMITED | Private company limited by shares | Live |
| RUISIDA CO., LIMITED | Private company limited by shares | Dissolved |
| HK RUISIDA TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Ruisida Trade Limited | Private company limited by shares | Live |
| RUISIFU (HK) INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| RuiSilan Biotechnology (Hong Kong) Co., Limited | Private company limited by shares | Live |
| HK RUISIMING INVESTMENT LIMITED | Private company limited by shares | Live |
| RUISIN ELECTRONICS LIMITED | Private company limited by shares | Live |
| Ruising Container Management Limited | | Live |
| RuiSing Technology Company (Hong Kong) Limited | Private company limited by shares | Live |