Min. Order Reference FOB Price
1 Set US$585,000.00-1,150,000.00 / Set
Product Description
Product Description Hunan Yier Tech Launched Powerful AT-4000L Crawler Self-Propelled Raise Boring Machine For Large Hole Diameter with Wireless Remote Control for ventilation shafts in Kindia Tunnel Project, Guinea/The raise boring drilling rig AT-4000L is used for enlarging a borehole to form a ...