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Superdrll Darda C12N SPLITTER,The C12 splitting cylinder is ...

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Darda hydraulic rock splitter cylinder C12(N),we already suc...

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elco hydraulic rock splitter is a device that utilizes a hyd...

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Auger twist drill rod

Auger drill rod thread twist drill rod for coal mining,it ca...

PDC coal mining drill bit:

PDC coal mining drill bit: 28 mm, 29 mm, 30 mm, and 32 mm...

32mm 34mm 36mm 8 button 7

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11degree 38 mm taper butto

Our tapered button bit Small hole tapered ground drill bit a...

34mm 8 Buttons 7 Degree ta

34mm 8 Buttons 7 Degree taper bit Small hole tapered ground...