| SEIDAN LIMITED | Private company limited by shares | Live |
| CHINA SEIDE HANDELSGESELLSCHAFT FUR TEXTILIEN UND KUNSTHANDWERK LIMITED | Private company limited by shares | Dissolved |
| Seidel Limited | Private company limited by shares | Live |
| SEIDENKO ASIA LIMITED | Private company limited by shares | Dissolved |
| SEIDES LIMITED | Private company limited by shares | Live |
| Seidl Instrument (China) Co., Limited | Private company limited by shares | Live |
| SEIDO LIMITED | Private company limited by shares | Dissolved |
| SEIDO LIMITED | Private company limited by shares | Live |
| SEIDO ENTERPRISES LIMITED | Private company limited by shares | Live |
| SEIDO TEXTILES LIMITED | Private company limited by shares | Dissolved |