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  Qualifications & Test Report

2nd prize for national technical progress,2004
１st prize of the Ministry of Public Security for technological progress，2006
Test report by CTCHE
  Pics of application

Zhongnanshan Tunnels,Qinling
Test scene of tunnels,Wuhan-Chongqing Expry.
Baiyanxi Tunnel

Zhangjiacao Tunnel
Nvniangshan Tunnel		  
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