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  • Sound insulation panel
    Sound insulation panel
    2018-06-25
    Product introduction: The thickness of the septum panel is 50-150mm. At the same time, in order to improve the beauty and corrosion resistance of the sound barrier after completion, the surface of the sound insulation barrier surface all do anti-corrosion treatment and spray plastic surface. This structure has high strength, light weight, beautiful shape and sound absorption performance. The 500-4000Hz has good absorption and sound insulation performance in the road traf
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