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About product and suppliers:
        Alibaba.com offers 5,500 public security products. About 5% 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, digital camera, and analog camera. You can also choose from personal, fire, and door. As well as from aluminum alloy, polyester / cotton, and plastic. And whether public security is infrared, network, or pinhole. 

There are 5,509 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 1,874 with ISO9001, 940 with Other, and 456 with ISO14001 certification.