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About product and suppliers:
        Alibaba.com offers 238,995 barrier products. About 8% of these are traffic barrier, 2% are fencing, trellis & gates, and 1% are other security & protection products. 

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

There are 237,061 barrier suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 96%, 1%, and 1% of barrier respectively. 

Barrier products are most popular in North America, Domestic Market, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 92,923 with ISO9001, 48,381 with Other, and 24,461 with ISO14001 certification.