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About product and suppliers:
        Alibaba.com offers 2,960 round horn products. About 3% of these are speaker & horn, 1% are event & party supplies, and 1% are shoe horns. 

A wide variety of round horn options are available to you, such as iron, aluminum, and plastic. You can also choose from air horn, electric horn, and siren. As well as from art & collectible, home decoration, and business gift. And whether round horn is tweeter, 2-way, or 3-way. 

There are 2,960 round horn suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of round horn respectively. 

Round horn products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 483 with ISO9001, 274 with Other, and 53 with BSCI certification.