| KEY.I LIMITED | Private company limited by shares | Live |
| KEYI LIMITED | Private company limited by shares | Live |
| KEYI LED CO., LIMITED | Private company limited by shares | Live |
| HK KEYI SPACE DESIGN LIMITED | Private company limited by shares | Live |
| KEYI ELECTRON LIMITED | Private company limited by shares | Live |
| KEYI LIGHTING (HONG KONG) LIMITED | Private company limited by shares | Live |
| KEYI PHOTOELECTRIC (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| Keyi Productions Limited | Private company limited by shares | Live |
| SHANGHAI KEYI INDUSTRY COMPANY LIMITED | Private company limited by shares | Live |
| HK KEYI TRADING LIMITED | Private company limited by shares | Live |
| KEYI TRADING LIMITED | Private company limited by shares | Live |
| HONGKONG KEYIBANG TRADING LIMITED | Private company limited by shares | Dissolved |
| KEYIELD COMPANY LIMITED | Private company limited by shares | Dissolved |
| KEYIELD INTERNATIONAL LIMITED | Private company limited by shares | Live |
| KEYIER TECHNOLOGY LIMITED | Private company limited by shares | Live |
| KEYIK LIMITED | Private company limited by shares | Live |
| AMERICA KEYIMING TECHNOLOGY GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| KEYIN DATA LIMITED | Private company limited by shares | Live |
| Keyin (Hong Kong) Electronics Co., Limited | Private company limited by shares | Live |
| Keyin (Hong Kong) Technology Co., Limited | Private company limited by shares | Live |
| Keyin Technology Co Limited | | Live |
| KEYINVEST COMPANY LIMITED | Private company limited by shares | Dissolved |
| KEYISHUN LIMITED | Private company limited by shares | Live |
| HK KEYITONG LIMITED | Private company limited by shares | Live |