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About product and suppliers:
        Alibaba.com offers 1,556 steel structure truss purlin products. About 52% of these are steel structures, 12% are metal building materials, and 6% are steel channels. 

A wide variety of steel structure truss purlin options are available to you, such as gb, astm, and aisi. You can also choose from steel fabricated house, structural roofing, and frame part. As well as from heavy, light. And whether steel structure truss purlin is free samples. 

There are 1,550 steel structure truss purlin suppliers, mainly located in Asia. The top supplying countries are China (Mainland), United Arab Emirates, and Singapore, which supply 98%, 1%, and 1% of steel structure truss purlin respectively. 

Steel structure truss purlin products are most popular in Mid East, South America, and Oceania. 

You can ensure product safety by selecting from certified suppliers, including 245 with ISO9001, 149 with Other, and 78 with ISO14001 certification.