Are the materials in the meeting room soundproofed?
Its performance is excellent, other noise-absorbing materials can not match.
So the gradient of sound-absorbing cotton is not just a safe sound-absorbing cotton, and it is an efficient sound-absorbing cotton.
With a gradient of sound-absorbing cotton, the choice of 100% imported polyester fiber, the use of laminated laminated, strictly control the pressure of the stack, resulting in layers from soft to hard Panhoo gradient sound-absorbing cotton, the noise of various frequencies are good Of the absorption effect.
