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ZuanLong PDC Rock Hole Opener Rock Reamer/Drilling Tool Factory
China Best Drill Bits Equipment Drill Bits Drilling Tool Bits Cutting Tool Bi...
Newest Design Reamer Bit PDC Coal Mine Drilling Tool

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Mining Drill Bit
Geological Drill Bit
Customized Products

Contact Info

No 66, Changming Road, Xi'an, Shaanxi Province, China
+86-029-82612068
+8615291688126
zuanlongbits@gmail.com
http://m.zuanlongbits.com/

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