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Hejian Ouman Mining Bits Co., Ltd.

Hejian Ouman Mining Bits is a professional manufacturer of pdc bits serving oil&natural gas, mineral exploration, coal mining, geothermal drilling and geological exploration industry. It is specialized in the design and ...

Hejian Ouman Mining Bits Co., Ltd.
Junziguan, Hejian, Hebei, China
Hejian, HB

Manufacturer  ·  Wholesaler  ·  Trading Company

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