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About product and suppliers:
        Alibaba.com offers 3,735 construction sign board products. About 67% of these are plastic sheets, 3% are advertising boards, and 1% are advertising light boxes. 

A wide variety of construction sign board options are available to you, such as outdoor, indoor. You can also choose from free samples, paid samples. 

There are 3,729 construction sign board suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Mexico, and Vietnam, which supply 99%, 1%, and 1% of construction sign board respectively. 

Construction sign board products are most popular in North America, Domestic Market, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 488 with ISO9001, 191 with Other, and 123 with ISO14001 certification.