Longyue Drill Bit

Longyue Drill Bit

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Economic Development Zone of Hejian City, Cangzhou. Hebei, Province.China.

Phone: +86-153-73497780

E-mail: amanda@longyuebit.com

Fax : 86-317-3852-994

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TCI Tricone Bit

Steel Tooth Tricone Bit

PDC Hole Opener

Steel Body Bi-center Bit

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