A sound barrier (also called a soundwall,sound berm,noise barrier,or acoustical barrier) is an exterior structure designed to protect sensitive land uses from noise pollution. Noise barriers are the most effective method of mitigating roadway,railway,and industrial noise sources.
        By using the most advanced technology and high standard raw material, Chengdu cast acrylic panel co. ltd developed“ DUKE”sound barrier,which processed strictly in accordance with international standards.the barrier passed relevant tests of China Building Materials Testing Center & China National Center for Test of Chemical Building Material.performance indices show that“DUKE”sound barrier meet or exceed specified standard requirements of Ministry of Railway about transparent sound barrier