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About product and suppliers:
            618 noise barrier products are offered for sale by suppliers on Alibaba.com, of which traffic barrier accounts for 1%, sound barriers accounts for 1%. 

A wide variety of noise barrier options are available to you, such as graphic design, others, and total solution for projects. You can also choose from 5 years, more than 5 years, and 1 year noise barrier, as well as from sports venues, hotel noise barrier, and whether noise barrier is online technical support, or onsite installation. 

There are 534 suppliers who sells noise barrier on Alibaba.com, mainly located in Asia. The top countries of suppliers are China, Taiwan, China, from which the percentage of noise barrier supply is 99%, 1% respectively.