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About product and suppliers:
        Alibaba.com offers 4,946 negative ion therapy products. About 24% of these are massager, 21% are other healthcare supply, and 5% are rehabilitation therapy supplies. 

A wide variety of negative ion therapy options are available to you, such as free samples, paid samples. 

There are 4,946 negative ion therapy suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of negative ion therapy respectively. 

Negative ion therapy products are most popular in North America, Eastern Europe, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 872 with Other, 759 with ISO9001, and 380 with ISO13485 certification.