Previously, when Division Chief Li was inspecting the other coal mines, he would feel that the air was not flowing well after walking in it for a while. The smell was also very unpleasant.
However, righ now, they could still feel the wind even after walking a distance. The air flow had not changed.
"The ventilation system here is pretty good!"
Sun Chengfu explained, "This was also proposed by our boss. The setup of the facilities here was completed step by step under the supervision of our boss."
Division Chief Li looked around at the venue and became increasingly shocked.
Near the exit, it was not a cage lifter, but an elevator. It was just that it had more space than an elevator to carry people. It was much safer than the cage lifters. Just these few elevators were a huge cost.