OREANDA-NEWS. March 19, 2014. Datong Coal Mine Group 2014 Scientific and Technological Achievements Appraisal Meeting, organized by China National Coal Association, was held in Beijing. Datong Coal Mine Group’s 14 scientific research achievements passed China National Coal Association’s appraisal.

In the meeting, 21 experts from the appraisal committee appraised 3 categories technical achievements of electromechanical, mining and safety, including 14 projects from Datong Coal Mine Group after they had listened to the PPT reports, examined appraisal information, and made questions and discussions to these projects.

The experts indicated that those 4 projects (the automatic identification research of coal gangue putting off in the fully-mechanized caving face, complex coal seam mining exploration key technologies) reached the international leading level. And, those 10 projects (mine ash grout curing filling technology) reached the international advanced level.