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Cangzhou Great Drill bits Co,.ltd
Cangzhou, Hebei, China (Mainland)
86-317-3213789
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Manufacturer
Featured Products
API 8 1/2" 6 Blades Matrix Body PDC Drill Bits
All types of Steel body 5 blades PDC drill bits for oil well drilling hard rock tools equipment
Tricone bit factory sell directly12 1/4" tricone bit for well drilling
3-1/2'' steel body PDC drilling bit
matrix body drill bit
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