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About product and suppliers:
        Alibaba.com offers 5,643 public security products. About 6% of these are alarm, 4% are other security & protection products, and 4% are locks. 

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 personal, door, and auto. As well as from plastic, galvanized iron wire, and aluminum alloy. And whether public security is network, pinhole, or pan / tilt / zoom. 

There are 5,659 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 Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 2,043 with ISO9001, 892 with Other, and 443 with ISO14001 certification.