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About product and suppliers:
        Alibaba.com offers 898 porcelain oil diffuser products. About 47% of these are humidifiers, 13% are air fresheners, and 1% are air purifiers. 

A wide variety of porcelain oil diffuser options are available to you, such as ce, cb. You can also choose from tabletop / portable, central. As well as from ultrasonic humidifier, cool-mist impeller humidifier. And whether porcelain oil diffuser is humidistat, or manual. 

There are 822 porcelain oil diffuser suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 99%, 1%, and 1% of porcelain oil diffuser respectively. 

Porcelain oil diffuser products are most popular in North America, Western Europe, and Oceania. 

You can ensure product safety by selecting from certified suppliers, including 215 with ISO9001, 132 with Other, and 48 with ISO14001 certification.