Longyue Drill Bit -

Longyue Drill Bit

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12 1/4'' tricone bit
Specification: 12 1/4''
Detail: Longyue Was established in 1998,located in Cangzhou which is in the industrial zone of Cangzhou city ,and enjoys good location and convenient transportation.Longyue specializes in water well drill bits,oil well drilling bits ,...


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