On August 28, the first medium-thick coal seam digging and anchoring integrated machine of Zi Mining Group was assembled in the ground machine repair plant of Shuangxin Mining Company and entered the joint commissioning stage. It is understood that the cutting height of the digging and anchoring integrated machine is 3.7 meters. Once it is put into use, the tunneling efficiency of medium and thick coal seams will be more than doubled. The picture shows the assembly and debugging site of the digging and anchoring integrated machine.(Fan Zhenfeng, the country of the United States)
Website Editor: Gong Li
