Manufacture PDC bits, PDC Hole opener, Crocodile PDC reamer, Roller Cone bits

PDC Reamer is the perfect tool for large diameter HDD bores. The size of the reamer is ranging from 12" to 50".

GREAT customized made Diamond core bits ,which including Matrix body and Steel body.

Overview 120 ° U-shaped Roller bitGREAT has customized manufacture several types of roller bit . The traditional roller bit was cut by tricone bit . So it is including No.1 ,No.2, No.3 Cone cutters ....

This type of Bi-center bit mainly used for medium to medium hard compressive and abrasive formation.