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About product and suppliers:
        Alibaba.com offers 7,372 function detection products. About 2% of these are alarm, 2% are industrial metal detectors, and 1% are other security & protection products. 

A wide variety of function detection options are available to you, such as packaging line, pathological analysis equipments, and blood testing equipments. You can also choose from door, personal, and position sensor. As well as from free samples, paid samples. 

There are 7,372 function detection suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of function detection respectively. 

Function detection products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 2,991 with ISO9001, 1,339 with Other, and 164 with ISO13485 certification.