LANGFANG UQIER DRLL BIT CO.,LTD

Reduce the cost .Speed thedrilling ,Guarantee the safety

Manufacturer from China
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LANGFANG UQIER DRLL BIT CO.,LTD
City:langfang
Province/State:hebei
Country/Region:china
Contact Person:MrsMavis Huang
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4 wings step drag bit (190mm) 7 1/2'' 3 1/2'' API REG pin for coal mining water well geothermal drilling

4 wings step drag bit (190mm) 7 1/2''  3 1/2'' API REG pin  for coal mining water well  geothermal drilling
  • 4 wings step drag bit (190mm) 7 1/2''  3 1/2'' API REG pin  for coal mining water well  geothermal drilling
  • 4 wings step drag bit (190mm) 7 1/2''  3 1/2'' API REG pin  for coal mining water well  geothermal drilling
  • 4 wings step drag bit (190mm) 7 1/2''  3 1/2'' API REG pin  for coal mining water well  geothermal drilling
  • 4 wings step drag bit (190mm) 7 1/2''  3 1/2'' API REG pin  for coal mining water well  geothermal drilling
  • 4 wings step drag bit (190mm) 7 1/2''  3 1/2'' API REG pin  for coal mining water well  geothermal drilling
  • 4 wings step drag bit (190mm) 7 1/2''  3 1/2'' API REG pin  for coal mining water well  geothermal drilling
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