| JOYSON LIMITED | Private company limited by shares | Live |
| JOYSON CHINA CO., LIMITED | Private company limited by shares | Live |
| Joyson Group Co., Limited | Private company limited by shares | Dissolved |
| JOYSON DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| JOYSON INDUSTRIAL DEVELOPMENT CO. LIMITED | Private company limited by shares | Live |
| JOYSON ELECTRONICS LIMITED | Private company limited by shares | Live |
| Joyson Engineering Co., Limited | | Live |
| JOYSON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Joyson (HK) Limited | Private company limited by shares | Live |
| JOYSON TECHNOLOGY (H.K.) LIMITED | Private company limited by shares | Dissolved |
| JOYSON HOLDINGS LIMITED | Private company limited by shares | Live |
| Joyson (Hong Kong) Investment Limited | Private company limited by shares | Live |
| HONGKONG JOYSON TRADING CO., LIMITED | Private company limited by shares | Live |
| JOYSON INDUSTRIAL LIMITED | Private company limited by shares | Live |
| JOYSON HK INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| JOYSON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| JOYSON INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| HONG KONG JOYSON INTERNATIONAL LIMITED | Private company limited by shares | Live |
| JOYSON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| JOYSON RECYCLING CO., LIMITED | Private company limited by shares | Dissolved |
| JOYSON TECH LIMITED | Private company limited by shares | Live |
| JOYSON TECHNOLOGY LIMITED | Private company limited by shares | Live |
| JOYSON TRADING LIMITED | Private company limited by shares | Dissolved |