[more than 1300 intelligent mining faces in coal mines nationwide] Huang Jinsheng, director of the State Administration of Mine Safety, said on the 8th that at present, there are more than 1300 intelligent mining faces in coal mines across the country. the number of coal mines with intelligent working faces has reached 694, with an annual production capacity of 2.1 billion tons. Huang Jinsheng said that the next step will be to make mining surface, indoor, plain and sparse through intelligent construction, focusing on fewer people and digital empowerment, so as to accelerate the pace of intelligent construction of mines with serious disasters in various areas. further improve the essential safety level of mines.