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About product and suppliers:
        Alibaba.com offers 814 police whistle products. About 64% of these are whistle, 7% are lanyard, and 1% are key chains. 

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

There are 812 police whistle suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Pakistan, and India, which supply 92%, 5%, and 1% of police whistle respectively. 

Police whistle products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 314 with ISO9001, 217 with OHSAS18001, and 204 with ISO14001 certification.