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About product and suppliers:
        Alibaba.com offers 57,737 steel roof structure products. About 21% of these are steel structures, 1% are warehouses, and 1% are roof tiles. 

A wide variety of steel roof structure options are available to you, such as aisi, gb. You can also choose from free samples, paid samples. 

There are 57,681 steel roof structure suppliers, mainly located in Asia. The top supplying countries are China (Mainland), United Arab Emirates, and India, which supply 99%, 1%, and 1% of steel roof structure respectively. 

Steel roof structure products are most popular in Africa, Domestic Market, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 18,631 with ISO9001, 5,220 with Other, and 3,218 with ISO14001 certification.