Project Overview: Beijing Greentown Acoustic Engineering Co., Ltd. is a backbone enterprise of Greentown Environmental Protection Group. Among the first batch of key supported environmental protection enterprises in Beijing, it is the only enterprise specializing in noise and vibration pollution control and environmental protection. The semi anechoic chamber has a total indoor surface area of 620 square meters, an indoor volume of 1035 cubic meters, and a background noise of 6.8 dB (A). It is a laboratory with CNAS national certification.




