The strengthening of bits and inserts can effectively reduce the wear of tooth palms,improve the diameter protection performance of drill bits,and prolong the service life of drill bits in abrasive or directional wells or horizontal wells. 

2.Our Advantage

----adequate stocks
----competitive price
----timely delivery
----factory direct 

3.Packing/Shipping

Packing:wooden case or iron case ,also be packaged according to customer requirements.

Modes of transportation:by sea, by air or land transportation, Of course, a small amount can also by Express.

4.Please contact

TEL:8618232186601;8617340754111

Whatsapp:8618232186601

        8618031733007

E-mail：great25@zkdrilling.com

       great03@pdcbit.net