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About product and suppliers:
        Alibaba.com offers 223 negative ion detector products. About 51% of these are testing equipment, 17% are air purifiers, and 4% are other electronic measuring instruments. 

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

There are 223 negative ion detector suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of negative ion detector respectively. 

Negative ion detector products are most popular in Eastern Europe, Domestic Market, and Eastern Asia. 

You can ensure product safety by selecting from certified suppliers, including 97 with ISO9001, 26 with Other, and 2 with ISO13485 certification.