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About product and suppliers:
        Alibaba.com offers 2,443 flex sign board products. About 4% of these are advertising light boxes, 1% are advertising boards, and 1% are poster materials. 

A wide variety of flex sign board options are available to you, such as free samples, paid samples. 

There are 2,325 flex sign board suppliers, mainly located in Asia. The top supplying countries or regions are China, India, and Hong Kong S.A.R., which supply 98%, 1%, and 1% of flex sign board respectively. 

Flex sign board products are most popular in Western Europe, Southern Europe, and North America. 

You can ensure product safety by selecting from certified suppliers, including 283 with ISO9001, 63 with Other, and 41 with ISO14001 certification.