Waterproof High Quality Sound-absorbing Cotton 

PRODUCT DESCRIPTION 1 car industry, office electronic equipments, ships, etc 2 Home appliances like air-conditioner and refrigerator; home decorating wall or roof noise and heat absorbing 3 entertainment places such as KTV room, recording studio, audio visual room, theatre, TV broadcaster and radio station 4 The noise dealing in laboratory and piano room 5 The sound sbsorb in pipe and elevator shaft 6 Instruments like in factory, machine room and air-condition system.