Hejian Deris Petroleum Drilling Equipment Co., Ltd.

tricone drill bits(2)

Hejian Deris Petroleum Drilling Equipment Co., Ltd.

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kingdream tricone drill bits
Specification: all IADC code
Detail: we specializes in manufacturing:Tricone bits,steel tooth bit,milled tooth tricone bit,tungsten carbide insert rock bit,tri-cone drill bit ,3 cone bits,rotary bit, TCI tricone bit,PDC drill bit ,diamond core bit,bicenter bit,si...


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