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About product and suppliers:
        Alibaba.com offers 1,163 steel expandable barrier products. About 56% of these are traffic barrier, 12% are fencing, trellis & gates, and 1% are other security & protection products. 

A wide variety of steel expandable barrier options are available to you, such as powder coated, pvc coated, and not coated. You can also choose from fencing, trellis & gates, welded mesh. As well as from metal, plastic. And whether steel expandable barrier is heat treated, or nature. 

There are 1,092 steel expandable barrier suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Singapore, and United Arab Emirates, which supply 96%, 3%, and 1% of steel expandable barrier respectively. 

Steel expandable barrier products are most popular in North America, Western Europe, and Oceania. 

You can ensure product safety by selecting from certified suppliers, including 313 with ISO9001, 104 with Other, and 64 with ISO14001 certification.