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About product and suppliers:
        Alibaba.com offers 4,696 frame detector products. About 42% of these are industrial metal detectors, 9% are alarm, and 1% are sensors. 

A wide variety of frame detector options are available to you, such as personal, fire, and door. You can also choose from optical sensor, inductance sensor, and resistance sensor. As well as from paid samples, free samples. 

There are 4,696 frame detector suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of frame detector respectively. 

Frame detector products are most popular in Mid East, Africa, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 1,539 with ISO9001, 930 with ISO14001, and 849 with OHSAS18001 certification.