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About product and suppliers:
        Alibaba.com offers 1,383 carrying channel products. About 13% of these are metal building materials, 4% are ceiling grid components, and 1% are ceiling tiles. 

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

There are 1,385 carrying channel suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Singapore, and Philippines, which supply 99%, 1%, and 1% of carrying channel respectively. 

Carrying channel products are most popular in Eastern Europe, Northern Europe, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 490 with Other, 87 with ISO9001, and 20 with ISO13485 certification.