On March 14, the Ministry of Emergency Management held a regular press conference, introduced the latest progress of smart mine construction。

　　Rapid increase in quantity。At present, the number of intelligent mining faces in China has reached 813, an increase of 65 percent compared with 2020。其中，采煤面为477个，与2020年相比增加43%；掘进面为336个。29 kinds of coal mine robots have been used in more than 370 mine sites。

　　Innovation has been speeded up。国内首台全断面矩形智能掘进机研制成功；自主研发先进的10米大采高智能化液压支架……一批智能矿山技术取得新进展。