| SINOY ENTERPRISE LIMITED | Private company limited by shares | Live |
| Sinoy Group Limited | Private company limited by shares | Live |
| SINOY METAL LIMITED | Private company limited by shares | Dissolved |
| SINOY METAL LIMITED | Private company limited by shares | Live |
| SINOYA INVESTMENTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Sinoycloud Limited | Private company limited by shares | Live |
| SINOYEAR LIMITED | Private company limited by shares | Dissolved |
| SINOYEARS LIMITED | Private company limited by shares | Dissolved |
| SINOYIELD INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINOYU HOLDING COMPANY LIMITED | Private company limited by shares | Live |