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About product and suppliers:
        Alibaba.com offers 9,928 roof beam products. About 2% of these are metal building materials, 1% are steel h-beams, and 1% are bridge cranes. 

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

There are 9,928 roof beam suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of roof beam respectively. 

Roof beam products are most popular in Africa, Domestic Market, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 3,217 with ISO9001, 1,210 with Other, and 278 with ISO14001 certification.