| RUIN NEW HOWE CO., LIMITED | | Live |
| Ruin & Grave Limited | | Live |
| RUINA TRADE LIMITED | Private company limited by shares | Dissolved |
| Germany Ruinaisi Window & Door Hardware Co., Limited | | Live |
| HK RUINAN FURNITURE LIMITED | Private company limited by shares | Dissolved |
| RUINAN INTERNATIONAL TRADE CO., LIMITED | Private company limited by shares | Live |
| Ruinart Trade Co., Limited | Private company limited by shares | Live |
| RUINENG ENERGY GROUP (HONGKONG) LIMITED | Private company limited by shares | Live |
| Hong kong ruineng Industry Co., Limited | | Live |
| Ruineng Electric (Hong Kong) Limited | Private company limited by shares | Live |
| HONG KONG RUINENG TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Ruineng Industrial Limited | Private company limited by shares | Live |
| Ruineng Technology Co., Limited | Private company limited by shares | Live |
| HK Ruineng Wisdom Technology Co., Limited | Private company limited by shares | Live |
| RUINENG ELECTRONIC TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| YIDA RUINENG ELECTRIC TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 24-Feb-2016 |
| RUINI TRADE LIMITED | Private company limited by shares | Dissolved |
| HK RUINIAN GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| Jiangsu Ruinian Qianjin Pharmaceutical Co., Limited | Private company limited by shares | Live |
| RUINIAN ENTERPRISE MANAGEMENT (HONGKONG) LIMITED | Private company limited by shares | Live |
| RUINIAN INTERNATIONAL (ASIA PACIFIC) LIMITED | Private company limited by shares | Dissolved |
| HK RUINING TRADE LIMITED | Private company limited by shares | Live |
| RUINOR GROUP LIMITED | Private company limited by shares | Live |
| RUINUO LIMITED | Private company limited by shares | Live |