| KING-ONE LIMITED | Private company limited by shares | Live |
| KINGONE PET LIMITED | Private company limited by shares | Live |
| KINGONE HEADGEAR CO., LIMITED | Private company limited by shares | Live |
| Kingone Vehicle Co., Limited | Private company limited by shares | Live |
| KINGONE ELECTRONICS LIMITED | Private company limited by shares | Live |
| HK KINGONE ELECTRONICS INDUSTRIAL LIMITED | Private company limited by shares | Live |
| KINGONE GROUP LIMITED | Private company limited by shares | Live |
| Kingone (H.K) Investment & Trade Co., Limited | Private company limited by shares | Live |
| Kingone Electronics (HK) Limited | Private company limited by shares | Live |
| KINGONE TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| KINGONE (HK) TECHNOLOGY CORPORATION LIMITED | Private company limited by shares | Dissolved |
| Hong Kong KingOne Co., Limited | Private company limited by shares | Live |
| HONGKONG KINGONE ELECTRONICS LIMITED | Private company limited by shares | Live |
| KING-ONE (HONGKONG) TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| KINGONE INDUSTRIAL LIMITED | Private company limited by shares | Live |
| Wenzhou Kingone Industrial Limited | Private company limited by shares | Live |
| KINGONE PATENT SERVICE LIMITED | Private company limited by shares | Live |
| KINGONE TECH LIMITED | Private company limited by shares | Live |
| KINGONE ELECTRONIC TECHNOLOGY DEVELOPMENT CO., LIMITED | Private company limited by shares | Live |