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About product and suppliers:
        Alibaba.com offers 202,300 detective products. About 4% of these are industrial metal detectors, 3% are alarm, and 1% are other security & protection products. 

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

There are 200,576 detective suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 98%, 1%, and 1% of detective respectively. 

Detective products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 68,158 with ISO9001, 32,066 with Other, and 10,862 with ISO13485 certification.