Greentec has completed dozens of municipal traffic noise reduction projects successively, which involving subway、railway、highway and urban highway et al. By learning from more than 20 large and medium-sized cities of the word, Greentec made a close combination of acoustic structure with landscape, and has made a prominent contribution to promote civil sound environment.

The picture shows the full-closed noise barriers on Zhanxi road. Invited by China Wildlife conservation Association, Greentec took the noise control project of Zhanxi road. The road crossed the Monkey area above Beijing Zoo and radiated traffic noises, which threaten the living condition of the animals near by. This project been completed in the end of 2007 by matched the national standard.