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About product and suppliers:
        Alibaba.com offers 6,833 metal crowd control barrier products. About 67% of these are traffic barrier, 22% are fencing, trellis & gates. 

A wide variety of metal crowd control barrier options are available to you, such as iron, aluminum. You can also choose from steel, stainless steel, and low-carbon iron wire. As well as from metal, plastic. 

There are 6,995 metal crowd control barrier suppliers, mainly located in Asia. The top supplying countries are China, Singapore, and Taiwan, China, which supply 95%, 3%, and 1% of metal crowd control barrier respectively. 

Metal crowd control barrier products are most popular in Australia, United States, and Canada.