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About product and suppliers:
        Alibaba.com offers 20,657 aluminum channel letter products. About 22% of these are electronic signs. 

A wide variety of aluminum channel letter options are available to you, such as free samples, paid samples. 

There are 20,660 aluminum channel letter suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Turkey, and South Korea, which supply 99%, 1%, and 1% of aluminum channel letter respectively. 

Aluminum channel letter products are most popular in North America, Mid East, and Northern Europe. 

You can ensure product safety by selecting from certified suppliers, including 5,309 with ISO9001, 1,852 with ISO14001, and 769 with OHSAS18001 certification.