1、Cangzhou Great Drill Bit Co.,Ltd was founded in 2010, and the company is located in Hejian Development Zone, Hebei Province.We have multiple international advanced CNC machining center production lines with combined turning and milling and multi-axis linkage. Cumulative sales of more than 100,000 drill bits.Main products: PDC bit, tricone bit, coring bit, bi-center bit, Torkbuster ， PDC reamer, PDC hole opener, rock reamer, customized cutters.

2、Our Advantage

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

----experienced factory

3、

Whatsupp :  0086-15226792655

                              0086-18031733007

Email:great24@pdcbit.net

              great03@pdcbit.net