1. Home
  2. > biggest quarry machine reviews 2016

biggest quarry machine reviews 2016

Jan 03 2020 Bertha or Big Bertha as its often called became the worlds largest boring machine at the time its construction was completed in 2013 At 575 feet in diameter the boring machine

Do you want a customized solution?

We are here for your questions anytime 24/7, welcome to your consultation.

CONTACT US