China API Oil Drilling Rig, Drill Pipe, Drill Bit - China ...
Drilling Rig, Drill Pipe, Oil Drilling Drill Bit manufacturer supplier in China, offering API Oil Drilling Rig, Drill Pipe, Drill Bit, 8 1/2' 215.9mm IADC637 Tricone Roller Cone Bit Single Cone Bit for HDD Piling, 8 1/2' IADC637 Rotary Drilling Single Roller Cone Bit, Tricone Cutter Bit for Core Barrel and so …
Get Price