Rotary Drilling Tool or Roller Drilling Tool
Tungsten Carbide
Semi-Ballistic / Parabolic
Jorunary Bearing
Spray Paint
Middle to Hard and Abrasive Rock
Solid Sandstone, Limestone, Marble, Dolomite, Pyri
Well Drilling Equipment
Oil Well ,Mining Well ,Water Well , Geological Exp
OEM , ODM
Liquid Cycle or Air Cycle
Laser Welding or High Frequency
High Performance for Hard Rock Drilling
API & ISO
Wooden Box