| Company Name | Type | Status |
|---|---|---|
| J-SIN TECH CO., LIMITED | Private company limited by shares | Live |
| Hongkong J-SIN Information System Co., Limited | Private company limited by shares | Live |
| KWAN JSIN KWONG JEWELLERY FOUNDRY LIMITED | Private company limited by shares | Live |
| J-SIN TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |