| Company Name | Type | Status |
|---|---|---|
| YISIN LIMITED | Private company limited by shares | Dissolved |
| YISIN LIMITED | Live | |
| YISIN ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| YISIN GROUP (HONGKONG) CO., LIMITED | Live | |
| Yisin Trading Limited | Private company limited by shares | Live |
| YISINC OPTICAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| YISINC OPTO CO., LIMITED | Private company limited by shares | Live |
| YISINC TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |