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About product and suppliers:
        Alibaba.com offers 7,062 silk structure products. About 11% of these are other toys & hobbies, 4% are steel structures, and 1% are steel pipes. 

A wide variety of silk structure options are available to you, such as steel, pe, and metal. You can also choose from astm, gb, and bs. As well as from q235, 6000 series, and 20#. And whether silk structure is api, or ce. 

There are 7,012 silk structure suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Hong Kong, which supply 99%, 1%, and 1% of silk structure respectively. 

Silk structure products are most popular in North America, Western Europe, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 1,918 with Other, 855 with ISO9001, and 785 with BSCI certification.