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| SHANGHAI SIWAY BUILDING MATERIAL CO., LIMITED | Private company limited by shares | Live |
| SIWAY INSPECTION & SERVICE CO., LIMITED | Private company limited by shares | Live |
| SIWAY GF INSPECTION & SERVICE CO., LIMITED | Private company limited by shares | Live |
| Siway Technology Co., Limited | Private company limited by shares | Live |
| SIWAY (HK) CO., LIMITED | Private company limited by shares | Live |
| SIWAY INVESTMENT (HK) CO., LIMITED | Private company limited by shares | Live |
| SIWAY INTERNATIONAL GROUP CO., LIMITED | Private company limited by shares | Live |