... high reputation within our client network after more than 16 years of effort and development: ... a very high reputation within our client network after more than sixteen years of effort ... , 610x1220, 595x595, 595x1195Thickness12, 13, 14, 15, 16, 17, 18, 19,20mmEdge profileSquare , tegular , concealed ... play a critical role in increasing the signal-to-noise ratio and reducing reverberation time ...