| Company Name | Type | Status |
|---|---|---|
| HK RUIWEI LIMITED | Private company limited by shares | Live |
| GERMANY RUIWEIAO PIPELINE INDUSTRY GROUP LIMITED | Live | |
| Ruiweibao Limited | Live | |
| HK RUIWEIER LIMITED | Private company limited by shares | Live |
| Ruiweili Limited | Live | |
| Ruiweixing Limited | Live |