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About product and suppliers:
        Alibaba.com offers 29,829 steel system construction products. About 8% of these are formwork, 4% are metal building materials, and 1% are steel structures. 

A wide variety of steel system construction options are available to you, such as aisi, gb, and astm. You can also choose from steel, carbon steel, and galvanized iron wire. As well as from free samples, paid samples. 

There are 29,782 steel system construction suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Taiwan, which supply 98%, 1%, and 1% of steel system construction respectively. 

Steel system construction products are most popular in Southeast Asia, Domestic Market, and North America. 

You can ensure product safety by selecting from certified suppliers, including 11,175 with ISO9001, 4,538 with Other, and 2,069 with ISO14001 certification.