Purchase Qty. Reference FOB Price
1-2 Sets US$370,000.00
3-9 Sets US$360,000.00
10+ Sets US$350,000.00
Product Description
Product Description 1,The rock drill machine drives the cone to cut rock by mechanical transmission (internal drill pipe), which has high efficiency, saving mud and greatly reducing construction costs. 2,External drill pipe rotation using Germany imported closed system, push and pull, clamping, ...