| ENVIRON-TECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| ENVIRONTECH LIMITED | Private company limited by shares | Dissolved |
| China Dynamics Environtech (Beijing) Company Limited | Private company limited by shares | Live |
| China Dynamics Environtech (Jiangxi) Company Limited | Private company limited by shares | Live |
| FORTUNE ENVIRONTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| FORTUNE ENVIRONTECH COMPANY LIMITED | Private company limited by shares | Live |
| LONGO ENVIRONTECH (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| WYZZ ENVIRONTECH LIMITED | Private company limited by shares | Dissolved |