| HK RICHLONG OIL CO., LIMITED | Private company limited by shares | Dissolved |
| RICHLONG ELECTRONICS LIMITED | Private company limited by shares | Live |
| RICHLONG (H.K.) LIMITED | Private company limited by shares | Dissolved |
| RICHLONG ELECTRONICS (HK) LIMITED | Private company limited by shares | Live |
| RICHLONG TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| RICHLONG TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| RICHLONG HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| Richlong Industrial (HongKong) Limited | Private company limited by shares | Live |
| Richlong Trade Import And Export Company Limited | Private company limited by shares | Live |
| HK RICHLONG INDUSTRIAL LIMITED | | Live |
| RICHLONG INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| RICHLONG INTERNATIONAL (H.K.) LIMITED | Private company limited by shares | Dissolved |
| RICHLONG INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| RICHLONG INTERNATIONAL INVESTMENT HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| RICHLONG WORLDWIDE LIMITED | Private company limited by shares | Live |