| Company Name | Type | Status |
|---|---|---|
| JIAJIAN LIMITED | Live | |
| JIAJIAN INVESTMENT GROUP LIMITED | Live | |
| JIAJIAN INDUSTRIAL CO., LIMITED | Live | |
| Jiajian Environmental Protection (HK) Co., Limited | Private company limited by shares | Live |
| JIAJIAN TRADING LIMITED | Private company limited by shares | Dissolved |
| HK JIAJIANUAN TECHNOLOGY GROUP LIMITED | Private company limited by shares | Live |