Voest Alpine makes the roadheader. Howinhell do you read a PR that says..... "The equipment, officially described as the Voest Alpine F-6A track-mounted continuous miner with center discharge conveyor, has been moved underground..........." and deduce Mitsui is the manufacturer? Sorry, I just don't get it. Look here: http://www.vab.sandvik.com/
Excuse me for being gruff........was one of those days.