What degree does wall suit soundproof?
I help you introduce a family, my friend used to buy here, the material is also good, Guangzhou Poly color environmental protection Technology Co., Ltd.
Wallcover is a plant fiber material processed by technology, the use of the wall after the relief! Sound insulation is not bad;
Sound-absorbing noise greater than 0.2, is a sound-absorbing material. Secondary, second only to soft pack, soundproof board
