| Company Name | Type | Status |
|---|---|---|
| QingXin Pro-Environment Group Holding Limited | Private company limited by shares | Live |
| SHANGHAI YUANSHENGKANG PRO-ENVIRONMENT TECHNOLOGY LIMITED | Private company limited by shares | Live |
| PINE FOREST PRO-ENVIRONMENT TECHNOLOGY LIMITED | Private company limited by shares | Live |
| PRO-ENVIROTEC LIMITED | Private company limited by shares | Dissolved |