| Company Name | Type | Status |
|---|---|---|
| UJOIN (HK) TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Ujoin Trading Limited | Live | |
| Hongkong Ujoin International Co., Limited | Live | |
| Ujoin Import & Export Co., Limited | Private company limited by shares | Live |
| UJOIN INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| U-JOIN TECHNOLOGY & SERVICE COMPANY LIMITED | Private company limited by shares | Live |