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    Brand Name:OEM
    Model Number:6-200MM
    Place of Origin:CHINA

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    Brand Name:CHANGTAN
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    Place of Origin:CHANGSHA HUNAN

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    Brand Name:ROSCHEN
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    Place of Origin:CHINA

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    ROSCHEN GROUP
    [Shanghai,China]
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    Brand Name:STARRY AND OEM
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    Brand Name:SOLLROC
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    Place of Origin:China

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    ... or air core drilling; it is cheaper than diamond coring and is thus preferred for most mineral exploration work. We are a leading manufacturer of rock drilling tools, like DTH hammers and bits, DTH drill pipes, RC hammers and bits, more
    Brand Name:Super Diamond
    Model Number:RE004
    Place of Origin:China

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    Brand Name:Kinglong
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    Model Number:80A
    Place of Origin:CHINA

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    Brand Name:MIRCO
    Place of Origin:China
    Minimum Order Quantity:negociated one

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    Brand Name:JCDRILL
    Model Number:H19
    Place of Origin:China (Mainland)

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    Brand Name:JinTaiPai
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    Place of Origin:Hunan, China

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    Brand Name:STARRY AND OEM
    Model Number:4-40MM
    Place of Origin:JIANG SU CHINA

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    Brand Name:BMR TOOLS
    Model Number:Concrete Diamond Core Drill Bit
    Place of Origin:CN

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    DANYANG BMR TOOLS CO.,LTD
    [Jiangsu,China]
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    ...Welcome to CDHP What is PDC Core Bits? (1)PDC core bit is also called hollow core bit, It is a thin tubular drive and multi-tooth drill bit.it is set with carbide. (2)PDC core bit is made of high-grade... more
    Brand Name:CDHP
    Model Number:HPCM8619
    Place of Origin:China

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  • Best High Quality Green and Blue API Oil Well Roller Core Drill Bit: wholesale
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    Brand Name:Kingdream
    Model Number:All models
    Place of Origin:Hebei ,China

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    Brand Name:huachang brand
    Model Number:huachang
    Place of Origin:china

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  • Best High Quality Green and Blue API Oil Well Roller Core Drill Bit: wholesale
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    Brand Name:Kingdream
    Model Number:All models
    Place of Origin:Hebei ,China

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  • Best High Quality Green and Blue API Oil Well Roller Core Drill Bit: wholesale
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    Brand Name:Kingdream
    Model Number:All models
    Place of Origin:Hebei ,China

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  • Best Scrap Drill Bit 14-3/4" Oil Drilling Rock Bits IADC527 wholesale
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    Brand Name:CDHP
    Place of Origin:Chengdu, China
    Certification:ISO&API 7-1

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    Brand Name:CDHP
    Place of Origin:Chengdu, China
    Certification:ISO&API 7-1

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