The company supplies various types of styles PDC bits, roller cone drill ( Machinable unconventional large diameter drill bit product ) quality assurance, welcomed the Advisory negotiations

Cone drill :

A. Model complete conventional model :. 59mm, 76mm, 89mm, 5 7/8 ', 6', 7 1/2 ', 7 7/8', 8 1/2 ', 9 1/2 12 1/4 ', 13 1/2', 14 3/4 ", 15 1/2 17 1/2 ', 26' ( Note: unconventional models Machinable custom ) .

B. IADC number complete.

Inserts : 437, 517, 537, 617637737. ........

Steel teeth : 127114116124126136137216217. ........

Phone: 0317-3188085

Fax : 0317-3188085

Phone:

13932730915

QQ: 2603049761

E-mail: 2603049761@qq.com