Longyue Drill Bit

Longyue Drill Bit

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Tonga Hole Opener

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Tonga TCI Tricone Bit

Tonga Steel Tooth Tricone Bit

Tonga PDC Bits

Tonga PDC Drag Bit

Tonga Step Drag Bit

Tonga PDC Hole Opener

Tonga Drilling Tools

Tonga Steel Body Bi-center Bit

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amanda@longyuebit.com

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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

Our Products

TCI Tricone Bit

Steel Tooth Tricone Bit

PDC Hole Opener

Steel Body Bi-center Bit

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