| HONG KONG HISIN TRADING CO., LIMITED | | Live |
| HISIN COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| HISIN ELECTRONICS (HK) TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HISIN INDUSTRIAL LIMITED | Private company limited by shares | Live |
| HISIN INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HK HISIN INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| HISIN INTERNATIONAL LOGISTICS (H.K.) CO., LIMITED | Private company limited by shares | Live |
| Hisin International Trade Limited | Private company limited by shares | Live |
| HISIN NEW MATERIAL CO., LIMITED | Private company limited by shares | Live |
| HISINC TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HISING LIMITED | | Live |
| HISINGBO TECHNOLOGY (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| HI-SINO LIMITED | Private company limited by shares | Dissolved |