diamond core drill bits Diamond Core Drill Bit
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With professional and productive factory, HAINAISEN is one of the leading China double tube diamond core bit manufacturers. Welcome to wholesale double tube diamond core bit from us, we always have cheap products to offer you.
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Model Number: all type
Type: Drill Bit
Machine Type: Drilling Tool
Certification: ISO9001:
Material: diamond
Processing Type: Forging
Use: Well Drilling
type: impregnated/surface-set diamond drill bi...
rock grade: from F1 to F12
standard: Boart longyear http://www.pdcoiltool.com
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