QuietTM fire Door, made of high-quality material, is integrated with professional soundandfireproof design, and carefully manufactured and colored.
夸耶特tm隔音防火门融入了专业的隔音、防火设计、优质的材质、精细的制造、精美的着色等。
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The size and the sound reduction performance of the sound-proof door can be customized according to the sound insulation level, installation room andfire rating.