| OUKA LIMITED | | Live |
| GERMANY OUKAFU GROUP TRADE CO., LIMITED | Private company limited by shares | Live |
| ITALY OUKAI LOCOMOTIVE DEVELOP CO., LIMITED | Private company limited by shares | Dissolved |
| GERMANY OUKAI ELECTROMOTION TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| OUKAI TRADE LIMITED | Private company limited by shares | Live |
| SHANGHAI OUKAIDA (GROUP) AUTOMOBILE MAINTENANCE EQUIPMENT LIMITED | Private company limited by shares | Live |
| HONG KONG OUKAIDENUO INTERNATIONAL GROUP LIMITED | Private company limited by shares | Dissolved |
| OUKAISITE INDUSTRY (INTERNATIONAL) LIMITED | Private company limited by shares | Live |
| OUKAIYA TRADING CO., LIMITED | | Live |
| OUKAL PRECISION MOLDS (HK) LIMITED | Private company limited by shares | Live |
| HK OUKALA INT JEWELRY LIMITED | | Live |
| Oukang Group Limited | | Live |
| OUKASA LIMITED | Private company limited by shares | Live |
| ITALY OUKAYA DRESS LIMITED | Private company limited by shares | Dissolved |
| OUKAZI BEAUTY TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |