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.