| LEADER FILTER & ACCESSORIES MANUFACTURING CO., LIMITED | Private company limited by shares | Live |
| Huachang Filter Manufacturing(Hong Kong) Limited | Private company limited by shares | Live |
| CLOUD (SHENZHEN) FILTER MATERIAL LIMITED | Private company limited by shares | Live |
| TODA FILTER MEDIA IND LIMITED | Private company limited by shares | Live |
| WESH FILTER MEDIA LIMITED | Private company limited by shares | Dissolved |
| KENTEEN FILTER MFY. LIMITED | Private company limited by shares | Live |
| Nano Filter Limited | Private company limited by shares | Live |
| No Filter Productions Limited | Private company limited by shares | Live |
| HK Puton Filter Limited | Private company limited by shares | Live |
| FILTER SAFE HK LIMITED | Private company limited by shares | Live |
| SELWIDE FILTER LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI DIMAN FILTER CO., LIMITED | Private company limited by shares | Live |
| SHANGHAI KAITUOZHE FILTER CO., LIMITED | Private company limited by shares | Live |
| SHANGHAI JIEERSHUN FILTER LIMITED | Private company limited by shares | Live |
| SHANGHAI JIEMEIJIA FILTER LIMITED | Private company limited by shares | Live |
| SHANGHAI JIUNUO FILTER LIMITED | Private company limited by shares | Live |
| SHANGHAI XINHE FILTER LIMITED | Private company limited by shares | Live |
| SOCORE FILTER LIMITED | Private company limited by shares | Dissolved |
| China Filter Tech Limited | Private company limited by shares | Live |
| NS FILTER TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HANKE FILTER TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| GERMANY NAIMAO FILTER TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNIVERSAL FILTER COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL AIR FILTER (HONG KONG) LIMITED | Private company limited by shares | Live |
| America F.L.T Filter Water Systems Limited | Private company limited by shares | Live |
| ERIC WIRE MESH FILTER CO., LIMITED | Private company limited by shares | Live |
| WISH FILTER TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| WOWIDE FILTER LIMITED | Private company limited by shares | Dissolved |
| GERMANY ZSEN FILTER INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| FILTERED SKIN LIMITED | | Live |
| FILTERFRESH OF THE PACIFIC LIMITED | Private company limited by shares | Dissolved |
| SUN Filtering Technology Co. Limited | Private company limited by shares | Dissolved |
| Filter-S Limited | Private company limited by shares | Live |
| TENINE FILTERS COMPANY LIMITED | Private company limited by shares | Live |
| MIF FILTERSYSTEMS (ASIA) LIMITED | Private company limited by shares | Live |
| FILTERTON LIMITED | Private company limited by shares | Dissolved |