| Company Name | Type | Status |
|---|---|---|
| HK LONGKE LIMITED | Live | |
| LONGKEDA LIMITED | Live | |
| LONGKEEN LIMITED | Private company limited by shares | Dissolved |
| LONGKEY LIMITED | Private company limited by shares | Dissolved |
| Longkey Chemistry Limited | Live | |
| LONGKEY (HONG KONG) LIMITED | Private company limited by shares | Live |
| HONGKONG LONGKEY HOLDINGS LIMITED | Private company limited by shares | Live |
| HONGKONG LONGKEY TECHNOLOGY LIMITED | Private company limited by shares | Live |