8月272019 Anechoic room, studio and recording studio Building sound absorptionBy qljLeave a comment Joylenge™ melamine foam is the sound-absorbing material… Detail
8月272019 Office and home environment Building sound absorptionBy qljLeave a comment In developed countries, Joylenge™ melamine foam is wide… Detail
8月272019 Waiting hall Building sound absorptionBy qljLeave a comment The passengers in the waiting hall of the railway stati… Detail
8月272019 Factory and equipment room Building sound absorptionBy qlj The noise of factory workshops such as machining worksh… Detail
