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About product and suppliers:
        Alibaba.com offers 5,280 public security products. About 5% of these are locks, 5% are alarm, and 4% are other security & protection products. 

A wide variety of public security options are available to you, such as ip camera, analog camera, and digital camera. You can also choose from mini camera, dome camera, and bullet camera. As well as from cmos, ccd. And whether public security is metal, poly, or pvc. 

There are 5,359 public security suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Thailand, which supply 98%, 1%, and 1% of public security respectively. 

Public security products are most popular in North America, Western Europe, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 1,768 with ISO9001, 967 with Other, and 310 with ISO14001 certification.