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About product and suppliers:
        Alibaba.com offers 11,712 yellow sign board products. About 18% of these are traffic signal, 14% are plastic sheets, and 2% are advertising boards. 

A wide variety of yellow sign board options are available to you, such as abs, pp, and pvc. You can also choose from free samples, paid samples. 

There are 11,763 yellow sign board suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 99%, 1%, and 1% of yellow sign board respectively. 

Yellow sign board products are most popular in North America, Domestic Market, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 3,467 with ISO9001, 916 with ISO14001, and 836 with Other certification.