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About product and suppliers:
        Alibaba.com offers 8,488 white noise machines products. About 10% of these are physical therapy equipments, 3% are other consumer electronics, and 2% are other healthcare supply. 

A wide variety of white noise machines options are available to you, such as free samples, paid samples. 

There are 8,491 white noise machines suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Singapore, which supply 99%, 1%, and 1% of white noise machines respectively. 

White noise machines products are most popular in Eastern Europe, Domestic Market, and North America. 

You can ensure product safety by selecting from certified suppliers, including 4,531 with ISO9001, 2,759 with Other, and 258 with ISO14001 certification.