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Tricone Drilling Bit

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Hejian Sanlong Petroleum Machinery Co., Ltd.

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City:cangzhou

Province/State:hebei

Country/Region:china

Contact Person:MrJessica

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China Tungsten Carbide HDD Back Reamers for Horizontal Directional Drilling Product Description: HDD Back Reamer HDD Back Reamers are specialized ...

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