| Material Quality: | Usually It Is Sound-Absorbing Material, Soundproof |
|---|---|
| Sound Absorption Performance: | Usually Represented by Sound Absorption Coefficien |
| Sound Insulation Performance: | Advanced Sound Insulation |
| Dust and Waterproof Performance: | Choose Appropriate Materials and Processes Based O |
| Environmentally: | Using Environmentally Friendly Materials to Reduce |
| 운송 패키지: | Wooden Boxes, Cardboard Boxes, Plastic Boxes, etc |
