In this group SMTG can enjoy having two leading world champions, Atlas Copco and Sandvik. Both companies have a long tradition and their technologies’ have often the base in demanding customers such as Boliden and LKAB who all have been forced having the latest and most sophisticated mechanized equipment in order to keep up their competition Level in order to compete with huge open pit mines. Wassara high pressure water driven rock drill can with no doubt be considered the leader in DTH drilling technique creating long straight holes. You could say that LKAB has made their underground implementation of open pit technique in successful large-scale underground operation.