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About product and suppliers:
        Alibaba.com offers 484 large poster board products. About 29% of these are paper & paperboard printing, 21% are advertising boards, and 7% are plastic sheets. 

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

There are 486 large poster board suppliers, mainly located in Asia. The top supplying countries are China (Mainland), United Kingdom, and India, which supply 98%, 1%, and 1% of large poster board respectively. 

Large poster board products are most popular in North America, Domestic Market, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 163 with ISO9001, 38 with Other, and 37 with ISO14001 certification.