| RUBIN LIMITED | Private company limited by shares | Live |
| RUBIN WAY LIMITED | Private company limited by shares | Live |
| RUBIN MAX LIMITED | Private company limited by shares | Live |
| RUBIN BUSINESS LIMITED | Private company limited by shares | Live |
| RUBIN ELECTRONIC LIMITED | Private company limited by shares | Dissolved |
| RUBIN TRADING LIMITED | Private company limited by shares | Live |
| RUBINA LIMITED | Private company limited by shares | Dissolved |
| RUBINE CHINA INTERNATIONAL (PRIVATE) LIMITED | Private company limited by shares | Live |
| HONGKONG RUBINE DRAGON CHINESE LITURGICAL CELEBRATION CO., LIMITED | Private company limited by shares | Live |
| RUBINE TRADING COMPANY LIMITED | Private company limited by shares | Live |
| Rubinet Limited | Private company limited by shares | Live |
| Remer Rubinetterie s.p.a. (HK) Limited | Private company limited by shares | Dissolved |
| R.S. RUBINETTERIE SARDE S.R.L. LIMITED | Private company limited by shares | Dissolved |
| RUBINSTEIN LIMITED | Private company limited by shares | Dissolved |