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About product and suppliers:
        Alibaba.com offers 1,892 carrying channel products. About 7% of these are metal building materials, 2% are ceiling grid components, and 1% are steel channels. 

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

There are 1,894 carrying channel suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Philippines, and Russian Federation, which supply 99%, 1%, and 1% of carrying channel respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 912 with Other, 135 with ISO9001, and 14 with ISO13485 certification.