| Siyadh International Co., Limited | Private company limited by shares | Live |
| SIYAJ ALAJIAL TRADING COMPANY LIMITED | Private company limited by shares | Live |
| Siyan Limited | | Live |
| SIYANG COMPANY LIMITED | Private company limited by shares | Live |
| SIYANG GARMENT (HK) CO., LIMITED | Private company limited by shares | Live |
| SIYANG TRADE CO., LIMITED | Private company limited by shares | Live |
| SIYANG GRANDE ELECTRONICS COMPANY LIMITED | Private company limited by shares | Live |
| ZHEJIANG SIYANG INDUSTRY COMPANY LIMITED | Private company limited by shares | Dissolved |
| FOSHAN SIYANG INFORMATION TECH LIMITED | Private company limited by shares | Live |
| HK Siyang Technology Co., Limited | | Live |
| SIYANG (HK) ELECTRONIC TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HK Siyang Trade Limited | | Live |
| SIYANLI (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HK SIYANYU Biotechnology Group Limited | Private company limited by shares | Live |
| Siyat Limited | Private company limited by shares | Live |