| Company Name | Type | Status |
|---|---|---|
| SHANGHAI HUAJIU PIPE INDUSTRY LIMITED | Private company limited by shares | Live |
| HUAJIU TRADING LIMITED | Live | |
| HUAJIULONG COMPANY LIMITED | Private company limited by shares | Live |
| HUAJIWANG LIMITED | Private company limited by shares | Live |
| HUAJIYOU LIMITED | Private company limited by shares | Live |