| Company Name | Type | Status |
|---|---|---|
| DEYILONG INTERNATIONAL LIMITED | Private company limited by shares | Live |
| DEYILONG INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SHANGHAI DEYILONG WELDING TECHNOLOGY LIMITED | Company limited by guarantee | Dissolved |
| SHENZHEN DEYILONG WELDING TECHNOLOGY LIMITED | Company limited by guarantee | Dissolved |