Meida/

23/11/2015 Voice of Sichuan Party Building  Songlin Primary School of Guanghan City – OST Helps Develop Village Primary School


02/02/2012 ifeng.com China’s first rockfall impact test platform successfully conducts 1000kJ rockfall impact test


27/04/2012 Deyang Daily CCTV Focuses on Rockfall Impact Test


26/04/2012 Mianyang Evening Paper China’s First Rockfall Impact Test Platform Achieves Success in Guanghan City

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