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About product and suppliers:
        Alibaba.com offers 589 crowed control barrier products. About 49% of these are traffic barrier, 30% are fencing, trellis & gates. 

A wide variety of crowed control barrier options are available to you, such as free samples, paid samples. 

There are 589 crowed control barrier suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of crowed control barrier respectively. 

Crowed control barrier products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 212 with ISO9001, 75 with Other, and 61 with ISO14001 certification.