Engineering Picture       The sound barrier project for the Yancheng section of the Lianyan Expressway started in September 2007 and was completed in December 2007. The engineering volume is the production, installation and maintenance of sound barriers (subgrade section) and sound barriers (bridge section) and related materials totaling approximately 1,000 linear meters.  

  Engineering Picture         The sound barrier project of Shanghai Hongmei South Road started in May 2017 and was completed in November 2017. The line has a total length of 5399m and is divided into two types of sound barriers, vertical and full shadow.

The Shanghai Zhongchun Road sound barrier project was started in July 2004. The total project volume is about 900 meters of sound barrier production, installation and maintenance along Zhongchun Road (Dongchuan Road ~ Huqingping Highway).

The first phase of the Shanghai North-South Passage Sound Barrier Project was completed in January 2017 and was completed in March 2017. The project site is located in Jing'an District, Shanghai. The engineering volume is the production, installation and maintenance of fully enclosed sound barriers, vertical sound barriers and auxiliary materials. .

The sound barrier project for the Yancheng section of the Lianyan Expressway started in September 2007 and was completed in December 2007. The engineering volume is the production, installation and maintenance of sound barriers (subgrade section) and sound barriers (bridge section) and related materials totaling approximately 1,000 linear meters.

The Harbin Songpu Bridge sound barrier project started in May 2011 and was completed in June 2011. The amount of work involved the production, installation and maintenance of approximately 1,600 linear meters of sound barrier screens, columns and foundations.