| CSCEC DINGSHENG INVESTMENT HOLDING GROUP CO., LIMITED | Private company limited by shares | Live |
| CSCEC Weiye Metal Materials Co., Limited | | Live |
| CSCEC & NEW HALL CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| CSCEC top 100 famous enterprise Center Co., Limited | | Live |
| CSCEC Group Limited | | Live |
| Cscec Technology Innovation Group (Hong Kong) Co., Limited | | Live |
| CSCEC Capital (Hong Kong) Limited | Private company limited by shares | Live |
| CSCEC Electric Design Hongkong Limited | Private company limited by shares | Live |
| CSCEC INTERNATIONAL HOLDING GROUP CO., LIMITED | Private company limited by shares | Live |
| Hong Kong CSCEC International Co., Limited | | Live |
| CSCEC TREASURY MANAGEMENT LIMITED | | Live |
| CSCEC TRADE MARK LIMITED | Private company limited by shares | Live |
| CSCEC OVERSEAS GROUP LIMITED | Private company limited by shares | Dissolved |