On April 10, Li Fangli, general manager of Xinjiang Coking Coal Group, and Zhou Denghui, the head of the 1930 coal mine, came to Xi'an Research Institute for technical exchange. Yao Ningping and Liu Cheng, deputy general manager of Xi'an Research Institute, Shi Lei, manager of Xinjiang company, and related centers The person in charge and the technical staff attended the symposium. At the meeting, the two sides made in-depth exchanges on the soft coal seam, the drilling and hole forming process under hard and overburden conditions, the underground gas drainage high-level drilling construction, the mine water damage integration service and the progress of related scientific research projects, and they hoped to further Deepen exchanges and cooperation.
Before the discussion, General Manager Li Fangli and his party visited the drilling equipment production workshop, the geophysical instrument exhibition hall and the comprehensive exhibition hall of Xi'an Research Institute.
