Polyurethane steel sandwich panel insulation, heat insulation, fire prevention, bearing in one, the new building materials, high-grade color rich appearance.
聚氨酯彩钢夹芯板集保温、隔热、承重、防火于一体，颜色丰厚、外型美观的新型高档建材。
High-grade passenger car abroad adopts floating floor with high performance of vibration absorption and sound insulation.
国外高档客车均采用浮筑地板，浮筑地板具有良好的减振、隔声性能。
High-grade passenger car abroad adopts floating floor with high performance of vibration absorption and sound insulation.
国外高档客车均采用浮筑地板，浮筑地板具有良好的减振、隔声性能。
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