Purchase Qty. Reference FOB Price
1-4 Pieces US$11,220.00
5+ Pieces US$10,200.00
Product Description
Reliable MRS460 Concentric Overburden Casing Drilling System for Borehole Drilling Machine Product Description MRS Concentric under reaming drilling system is designed for unstable ground conditions. In the process of drilling, it could carry down casing pipe to the hole to protect wall to achieve ...