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Low cost finished surface hotel, cinema, theater interior entry door soundproof pvc glass door on China WDMA for Canada
Products name Studio soundproof noise insulation door Coefficient of sound insulation 42DB Heat preservation coefficient 1.8~2.2W/m.k Door leaf thickness 0.8mm /1.0mm galvanized steel sheet Door leaf steel plate thickness 120mm Door frame steel plate Width 1.2mm / 1.5mm galvanized steel sheet Filler Sound insulation and heat insulation cotton Hardware Lock,handle,hinges,door...
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