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About product and suppliers:
        Alibaba.com offers 3,754 metal support beams products. About 6% of these are steel channels, 1% are steel h-beams, and 1% are other fiberglass products. 

A wide variety of metal support beams options are available to you, such as jis, aisi, and astm. You can also choose from ss400, q235, and q345. As well as from free samples. 

There are 3,763 metal support beams suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Taiwan, which supply 99%, 1%, and 1% of metal support beams respectively. 

Metal support beams products are most popular in Domestic Market, Southeast Asia, and South America. 

You can ensure product safety by selecting from certified suppliers, including 1,678 with ISO9001, 712 with Other, and 100 with FSC certification.