DHD, COP, COP, QL, SD, MISSION
Nitriding Treatment
Forging
High-Quality Hard Alloy, Best Quality Steel
Soft-Hard Formation
Ore Mining, Coal Mining, Well Drilling
Rock Drilling, Core Mining, Well Drilling
Blue, Golden, Black, Red, Customize
Small Hole Drilling, Gas Deep Hole Drilling, Boreh
Qualified High Air Pressure DHD380 DTH Hammer, Wat
Standard Export Packing.
Mission, QL, DHD, NUMA, BR, SD, COP