| Company Name | Type | Status |
|---|---|---|
| ECO Air Purification Limited | Private company limited by shares | Live |
| ROTECH PURIFICATION COMPANY LIMITED | Private company limited by shares | Live |
| Ocean Spirit Purification Limited | Private company limited by shares | Live |
| GENERAL ELECTRICAL WATER PURIFICATION TECHNOLOGY (HK) CO. LIMITED | Live | |
| Purified technology Limited | Private company limited by shares | Live |
| Health Purifier (HK) Co. Limited | Private company limited by shares | Dissolved |