Warmly Welcome the Professor Bao Yidong of Nanjing University of Aeronautics and Astronautics Inspection Guide Line to Shandong China Coal Group
On the morning of June 25th, the professor Bao Yidong, Zhao Xuedong guide line of Nanjing University of Aeronautics and Astronautics, visited Shandong China Coal Group on unmanned aerial vehicle produ...