| Company Name | Type | Status |
|---|---|---|
| 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 |