As one of the leading NVH Test Chamber manufacturers, Envirotech Systems Limited promises to deliver a top quality noise vibration and harshness testing equipment. With the development of the NVH Test Chamber, the concept of applying the theory of sound and vibration within the designs has been implemented, so as to enable the application in the automobile, aerospace and also industri... https://www.envirotechltd.com/semi-anechoic-chamber