A noise barrier (also called a soundwall, sound berm, sound barrier, or acoustical barrier) is an exterior structure designed to protect inhabitants of sensitive land use areas from noise pollution. Noise barriers are the most effective method of mitigating roadway, railway, and industrial noise sources – other than cessation of the source activity or use of source controls.
Specification of sound barrier:
5.Packaging Detailssteel pallet and plastic film
Material
Width
Length
Thickness
Acrylic board :PE PMMA resin
100mm-1500mm
2000-2500mm
8mm-10mm
Metal sheet :aluminiun steet or galvanized steel sheet
Inner Material:Glass wool
500mm-1000mm
2000mm-4000mm
70mm-100mm
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With the renewal and transformation of China's nuclear power industry and large-scale chemical equipment, and the continuous increase in the demand for mills of more than one kiloton, the demand for large-sized haul trucks in China is also increasing. In the past, large-scale transport tractors were completely relied on imported from abroad, such as imported high-power tractors from VOLVO, Benz, and MAN. 
According to the survey, the domestic demand for large-sized haul trucks can reach more than 500 vehicles a year. The chassis of imported tractors, long order times, high prices, and maintenance and accessories are inconvenient. Faced with such a huge potential market and the inadequacies of imported vehicles in meeting customer demand, the localization of large-sized haul trucks is imminent.
Under this circumstance, relying on Shaanxi Automobile's advantage in the field of high horsepower tractors, Shaanxi Automobile Group Automotive Engineering Research Institute has successfully developed a large-sized traction transporter with powerful power, convenient maintenance and spare parts supply. The designed train has a total weight of 300-500 tons; the first match of the ISM 4401+WSK400+16S22+6.72 powertrain solution on the Shaanxi Auto heavy truck all-wheel drive model was achieved, enhancing the traction of the vehicle; the first design developed the enhanced front/rear Suspension to improve the carrying capacity of the vehicle. The brand-new vehicle design, equipped with large-capacity fuel tanks, powerful power systems, and complete electrical control systems have become the highlights of Shanxi's large-scale tractors. 
Recently, Shaanxi Automobile's large-scale haul trucks have been trial-produced and delivered to users. The chassis of the vehicle is at least 0.7 million yuan more than the cost of the imported tractors for each vehicle. Its reliable power performance enables it to better steer heavy-duty trucks. . The birth of this car has expanded Shaanxi Automotive's special-purpose vehicle product series and increased the influence and competitiveness of Shaanxi Auto in the large-scale transportation market.
1.Material: PC Acrylic board, plastic panle, steel sheet or aluminium sheet
2.Inner material:Glass wool
3.Sheets thickness:0.8-1mm, can be customized
4.Panel size:Width-500mm, Length2000mm, can be customized
Frame material : Aluminum Alloy
Frame: 70mm-100mm