| GERMANY RUYU PUMP INDUSTRY TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| RUYU HOLDING LIMITED | | Live |
| Ruyu Hong Kong Co., Limited | Private company limited by shares | Live |
| Hong Kong Ruyu Health Care International Technology Co., Limited | Private company limited by shares | Live |
| RUYU INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| RUYU INDUSTRY (HK) LIMITED | Private company limited by shares | Live |
| RUYUAN LZL TRADE LIMITED | | Live |
| RUYUANFENG TRADE LIMITED | Private company limited by shares | Live |
| RUYUFU CO., LIMITED | Private company limited by shares | Live |