Yamato Co., Ltd is involved in developing, manufacturing and selling the silencers to prevent the noise for industrial silencer, automobile exhaust and home use silencers.

Emergency generator room for supplying electricity to electric lights / ventilators etc. in emergency such as underpass and tunnel of national highway.
Because of noise prevention (for living area) during ventilation of this generator room, we developed and delivered a ventilation muffler with noise decay capability of 55 decibels.