| DE SEDE HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SEDE HONG SCIENCE & TECHNOLOGY CO., LIMITED | Private company limited by shares | Live Commenced dormancy on 11-May-2011 |
| Sedea Limited | Private company limited by shares | Live |
| Sedecem Limited | Private company limited by shares | Live |
| SEDECO LIMITED | Private company limited by shares | Live |
| SEDEENCHINA COMPANY LIMITED | Private company limited by shares | Live |
| SEDELON VALVES CO., LIMITED | Private company limited by shares | Live |
| Sedelon Valve Limited | Private company limited by shares | Live |
| SEDEN LIMITED | Private company limited by shares | Live |
| SEDEO LIMITED | Private company limited by shares | Dissolved |
| SEDEPA ASIA COMPANY LIMITED | Private company limited by shares | Live |
| SEDERON LIMITED | Private company limited by shares | Dissolved |
| Sedes Translations Limited | Private company limited by shares | Live |
| SEDEX LIMITED | Private company limited by shares | Dissolved |
| SEDEX INTERNATIONAL TRADING (HONG KONG) CO., LIMITED | Private company limited by shares | Live |