Production Information
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Product Series |
French window grill design casement wood wooden window |
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The sound insulation loss of low sound insulation frequency shall not be less than 35dB. Double layer sound insulation wood pivot window shall be adopted, with the outer window rotating downward and the inner window flat. The sound insulation capacity of this structure can reach more than 50dB, and the indoor sound environment will be greatly improved after treatment. The building physical environment monitoring center of Tsinghua University has accumulated a lot of rich experience in wall sound insulation monitoring and treatment.
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