After-sales Service: | According to Drill Bit Usage |
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Warranty: | According to Drill Bit Usage |
Certification: | ISO 9001:2008 |
Standard: | AISI, GB, API |
Surface Treatment: | Spray-Paint |
Manufacturing Process: | CNC-Machining or Casting |
Samples: |
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Customization: |
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F.A.Q |
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