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About product and suppliers:
        Alibaba.com offers 322 triangle road signal products. About 4% of these are traffic light. 

A wide variety of triangle road signal options are available to you, such as free samples. 

There are 321 triangle road signal suppliers, mainly located in Asia. The top supplying countries or regions are China, Taiwan, China, and South Korea, which supply 99%, 1%, and 1% of triangle road signal respectively. 

Triangle road signal products are most popular in South America, Mid East, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 112 with ISO9001, 22 with OHSAS18001, and 19 with ISO14001 certification.