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About product and suppliers:
        Alibaba.com offers 544 howo horn products. About 99% of these are truck body parts, 3% are speaker & horn. 

A wide variety of howo horn options are available to you, such as iron, abs, and aluminum. You can also choose from 2-way, 4-way. As well as from 12v, 24v. 

There are 544 howo horn suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of howo horn respectively. 

Howo horn products are most popular in Southeast Asia, Africa, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 8 with ISO9001, 1 with ISO/TS16949, and 1 with Other certification.