| Siny Limited | Private company limited by shares | Live |
| SinYa Trade Limited | Private company limited by shares | Live |
| Sinyan International Education Aesthetics Limited | | Live |
| SINYANDONGFANG INT'L BUSINESS (HK) LIMITED | Private company limited by shares | Live |
| SINYANG ENERGY SYSTEM COMPANY LIMITED | Private company limited by shares | Live |
| SINYANG YU ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SINYAT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINYE INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| SINYE IMPORT AND EXPORT CO., LIMITED | Private company limited by shares | Live |
| SINYE FASHION LIMITED | Private company limited by shares | Live |
| SINYE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SINYE INTERNATIONAL TRADE LIMITED | Private company limited by shares | Live |
| SINYE TRADING LIMITED | Private company limited by shares | Live |
| HK SINYE INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| HONGKONG SINYER INTERNATIONAL TRADE CO., LIMITED | Private company limited by shares | Live |
| SINYICO TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| SINYIDA CO., LIMITED | Private company limited by shares | Live |
| SINYING COMPANY LIMITED | Private company limited by shares | Live |
| SINYING INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| Sinying Industry Limited | Private company limited by shares | Live |
| SINYIO PHOTOELECTRIC TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| Sinyitex Limited | Private company limited by shares | Live |
| Dalian Sinyo International Trade Co., Limited | Private company limited by shares | Live |
| Sinyo Technology Limited | Private company limited by shares | Live |
| SINYO TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| GERMANY SINYODA PETROCHEMICAL (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| SINYU ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| SINYU ESTATES LIMITED | Private company limited by shares | Dissolved |
| SINYU INT'L BUSINESS (HK) LIMITED | Private company limited by shares | Live |
| Sinyu Leemay Tech Co., Limited | Private company limited by shares | Live |
| Sinyu Technology Limited | | Live |
| SINYU TRADE LIMITED | Private company limited by shares | Live |
| Sinyu International Trade Co., Limited | Private company limited by shares | Live |