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About product and suppliers:
        Alibaba.com offers 29,455 cold channel products. About 25% of these are steel channels, 1% are steel h-beams, and 1% are aluminum profiles. 

A wide variety of cold channel options are available to you, such as aisi, astm, and gb. You can also choose from c channel, u channel, and square. As well as from not perforated, is perforated. And whether cold channel is galvanized sheet, metal, or stainless steel. 

There are 29,455 cold channel suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of cold channel respectively. 

Cold channel products are most popular in Southeast Asia, Domestic Market, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 6,183 with ISO9001, 1,733 with Other, and 416 with ISO14001 certification.