The size and the sound reduction performance of the sound-proofdoor can be customized according to the sound insulation level, installation room and fire rating.
隔声门大小和隔声性能可按隔声等级要求、安装空间、防火等级选定。
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QuietTM fire Door, made of high-quality material, is integrated with professional sound and fire proof design, and carefully manufactured and colored.