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amanda@longyuebit.com
PRODUCTS
● Hole Opener
● Roller Cones
● TCI Tricone Bit
● Steel Tooth Tricone Bit
● PDC Bits
● PDC Drag Bit
● Step Drag Bit
● PDC Hole Opener
● Drilling Tools
● Steel Body Bi-center Bit
● Natural Diamond Dill Bit
Steel Body Bi-Center Bit
Contact Us
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
Hole Opener
Roller Cones
TCI Tricone Bit
Steel Tooth Tricone Bit
PDC Bits
PDC Drag Bit
Step Drag Bit
PDC Hole Opener
Drilling Tools
Steel Body Bi-center Bit
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