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Place of Origin:
Brand Name :
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
diamond core drill bits Diamond Core Drill Bit
Shanaxi hai nai sen Petroleum Technology Co.,Ltd
Tower, Drill
