In this country, we have The Robbins Company which has virtually invented the TBM tunneling. I don't know why we have to import TBM from Germany and Japan for our projects? What was the last time Germans and Japanese imported a Robbins?
I added the new company formed on October 1, 2021. OGITEC - Underground Infrastructure Technologies (Japan). It merges TBM businesses of Hitachi Zosen Corporation & Kawasaki Heav...