Classroom sound proof interior acoustic wall movable partiti Buyer and Importer from United States - Buying Lead

Classroom sound proof interior acoustic wall movable partition

thickness:100,ultrahigh width:8.84 meters height:2.44 meters acoustic coefficient:30-60db weight:18-60kg m3 faceplate:veneer,plaster,MDF,melamin,fabrics We need hardware and railings

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