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Shanghai Rail Transit Line 13 Ventilation Shaft Noise Reduction Project
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Shanghai Rail Transit Line 11 Sound Barrier Project
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Fire Door Project of Shanghai Rail Transit Line 10
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The first phase of the sound barrier project of Nanjing Metro Line 2
  Engineering Picture         The first phase of the noise barrier project of Nanjing Metro Line 2 started in October 2009 and was completed in January 2010. The project includes the design, manufacture, installation and maintenance of double-sided high-slip sound barriers.
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Beijing-Shanghai High-speed Railway Sound Barrier Project
  Engineering Picture       The Beijing-Shanghai high-speed rail sound barrier project started in December 2010 and was completed in January 2011. The project includes the processing and transportation of the sound barrier.  
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Shanghai-Kunming High-speed Railway Sound Barrier Project
  Engineering Picture     The Shanghai-Kunming line sound barrier project started in July 2010 and was completed at the end of 2010. The project includes the production and transportation of metal sound-absorbing screens.  
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