AUDIOVEL

Acoustic insulation articles and material, namely, non-metallic acoustic board for ceilings insulation; acoustic insulation articles and material, namely, non-metallic sound-damping ceiling coverings; acoustic insulation articles and material, namely, non-metallic sound-adsorbing ceiling coverings; acoustic insulation articles and material, namely, non-metallic sound-damping wall coverings; acoustic insulation articles and material, namely, non-metallic sound-absorbing wall coverings; acoustic insulation articles and material, namely, non-metallic sound-absorbing plates; acoustic insulation articles and material, namely, non-metallic structures for noise absorption and soundproofing; acoustic insulation articles and material, namely, non-metallic acoustic ceiling insulation board