LiuYuChao

The repair and remanufacturing of scrapped parts of fully hydraulic rock drills have a very good market prospect, fully complying with the national policies of circular economy and energy conservation and emission reduction. We look forward to manufacturing companies and parts repair exper

The dwelled on the definition of the drilling rig and classification of the DTH drilling rigs.It also introduced some domestic DTH drilling rig makers as well as major models and specifications of their product,and pointed out developmental directions and other 5 leading technologies of the DTH