| Company Name | Type | Status |
|---|---|---|
| SHISHI LONGZHENG IMP AND EXP TRADE INVEST LIMITED | Private company limited by shares | Live |
| HK LONGZHENG BIOLOGICAL TECHNOLOGY GROUP LIMITED | Private company limited by shares | Live |
| SHANGHAI LONGZHENG TUBE INDUSTRY LIMITED | Private company limited by shares | Live |
| LONGZHENG XINBAILUN LIMITED | Private company limited by shares | Live |
| LONGZHENGDA LIMITED | Live |