June 20, 2016

#378. Special shaped sounding board on the ceiling remarkably absorbs an echoing sound!

      With a superior acoustic absorption power, the three-dimensional sounding board makes our indoor conversation clearer.

The construction materials maker established about 115 years ago specializes in developing and marketing the sound absorption materials which are pasted on the ceiling to reduce an indoor echoing sound. The superior acoustic absorptivity gains high evaluations from house makers and the construction companies. The sound absorption material is an uneven solid shaped and is superior in both acoustic absorptivity and noninflammability.