| HK JOYDA ELECTRONIC LIMITED | Private company limited by shares | Live |
| JOYDAK CARAV LIMITED | Private company limited by shares | Dissolved |
| JOYDAY LIMITED | Private company limited by shares | Dissolved |
| JOYDAY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| JOYDAY GROUP LIMITED | Private company limited by shares | Live |
| SINGAPORE JOYDAY MEDICAL GROUP LIMITED | Private company limited by shares | Dissolved |
| JOYDAY INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| JOYDAY INVESTMENT LIMITED | Private company limited by shares | Live |
| JOYDAY TRADING LIMITED | Private company limited by shares | Dissolved |
| JOYDAYS (HONG KONG) CO., LIMITED | Private company limited by shares | Live |