| Company Name | Type | Status |
|---|---|---|
| Washeng Holding Co., Limited | Private company limited by shares | Live |
| WASheng Development Co., Limited | Private company limited by shares | Live |
| Xin Washeng Circuit Hong Kong Limited | Private company limited by shares | Live |
| Human Washer Limited | Private company limited by shares | Live |
| LIFENG WASHER INCORPORATED LIMITED | Private company limited by shares | Live |
| SMOKE WASHER PRODUCTION LIMITED | Private company limited by shares | Dissolved |