More than 410 preparatory cutting faces have been secured, hundreds of pumps and electric motors installed or repaired and water sumps of over 15,900 cubic meters built by the mines under the Ministry of Coal Industry.

In those mines, coal conveyers and ditches of haulage roadways extending for hundreds of kilometers in total have been overhauled or cleaned and drainage pipes with an aggregate length of 22,200 meters newly installed to step up production as planned.