Tonglv is a leading manufacturer for HEPA air purifier filters, activated carbon filters and all kinds of filters for appliances such as air purifier,new fan,air conditioner,refrigerator,cooker hood,vacuum cleaner,air humidifier,printer etc..We use the best raw materials and focused on improving quality.Our productions are carried out according to the ISO9001: 2015 and quality ar approved by certificates issued by UL, SGS and ITS. With strong R&D ability, we also provide OEM and ODM service to customer's satisfaction.