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Contact Person zhiqiang
china, Hengshui, Hebei
Sonic in the communication process, the sound barrier encountered occurs reflection, transmission and diffraction three phenomena. Usually we think can prevent the spread of the direct sound barrier, and make enough sound attenuation transmission while transmitting sound effects are negligible. Therefore, sound effects sound barrier is generally the amount of noise reduction can be said that it reflects the sound barrier
| Country: | China |
| Model No: | - |
| FOB Price: | Get Latest Price |
| Place of Origin: | - |
| Price for Minimum Order: | - |
| Minimum Order Quantity: | - |
| Packaging Detail: | - |
| Delivery Time: | - |
| Supplying Ability: | - |
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