| Hong Kong Zidong Sihai Technology Limited | | Live |
| SIHAICHUANGZHAN (HK) CO., LIMITED | Private company limited by shares | Live |
| HK SIHAILONG DRESS GROUP LIMITED | Private company limited by shares | Live |
| HK SIHAITONG GROUP CO., LIMITED | Private company limited by shares | Live |
| Sihala Limited | Private company limited by shares | Live |
| SIHAM FINANCE GROUP LIMITED | Private company limited by shares | Live |
| Sihan Jewelry Co., Limited | Private company limited by shares | Live |
| SIHAN NETWORK TECHNOLOGY CO., LIMITED | | Live |
| SIHAN ELECTRONICS EQUIPMENT (HONGKONG) LIMITED | Private company limited by shares | Live |
| SIHAN GROUP LIMITED | | Live |
| SIHAN (HONGKONG) IMPORT AND EXPORT LIMITED | Private company limited by shares | Live |
| HONGKONG SIHAN INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| HONGKONG SIHAN INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HONGKONG SIHAN INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| SIHAN (HONGKONG) INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| SIHAN INTERNATIONAL GIFTS (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| SIHAN SKIN MANAGEMENT CO., LIMITED | Private company limited by shares | Live |
| Sihanoukville Trade Association Limited | Private company limited by shares | Live |
| SIHARD TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |