1. Good sound absorption 2. Fireproof and moisture-proof 3. Sturdy and durable 4. Can be sprayed with various colors 5. Easy to clean

1. Reliable sound insulation performance 2. Reduce sound energy 3. Anti-corrosion and durable 4. Modular plug-in to realize the integration of landscape noise reduction

1. Sound absorption coefficient is more than 0.99 2. No reflection and no interference in the room, to meet a variety of free sound field conditions of the experiment.