News

A Time for Reflection and New Beginnings. To comprehensively review annual achievements and strategically plan for future growth, Great Group recently held its Annual Debriefing Conference at its head...

To fortify the core competencies of our international business team and enhance cross-cultural communication and practical problem-solving skills, Cangzhou Great Drill Bits Co., Ltd. successfully held...

Introduction: Choosing the Right PDC Bit Body Is a Business DecisionFor drilling professionals, selecting a PDC bit is never just about cutters. While cutter quality is critical, the bit body material...

Introduction: Why Thread Size Matters in RC PDC DrillingIn reverse circulation (RC) drilling, the thread connection between the RC PDC bit and the drill string plays a far more critical role than many...

Recently, Zhang Tao, Director of the Hejian Laboratory of the School of Automation at Beijing Information Science and Technology University (Key Laboratory of High Dynamic Navigation), led his core te...

RC PDC Bit Size Chart, Selection Guide & Common MistakesChoosing the correct RC PDC bit size is one of the most critical decisions in reverse circulation drilling. The right size ensures stable dr...

In drilling operations—whether for Horizontal Directional Drilling (HDD), Oil & Gas, geothermal wells, or water well drilling—the selection of a reliable tricone bit manufacturer directly affect...

NEW DELHI, India – From November 28th to 29th, 2025, Cangzhou Great Drill Bits Co., Ltd. (Great Group) was proudly invited to participate in the 15th No Dig India Show. Held at the NSIC Exhibition Ce...

The tricone rock roller bit is an important tool for oil drilling, and its working performance will directly affect the drilling quality, drilling rate and drilling cost. We believe that many consumer...

PDC rock drill bit, as a star product in modern drilling field, has been warmly sought after by the market for its excellent performance and wide applicability. Behind this, the market competitiveness...

In modern mining, drilling efficiency defines success. Every meter drilled represents cost, time, and opportunity—and the performance of your drill bit can make the difference between profit and loss...

The Engine of the Drill StringIn modern directional drilling, the bit may do the cutting—but it’s the power source behind it that determines performance. Two key systems drive and steer the bit: the...

Every drilling contractor knows that performance begins with the tools. A quality drill bit determines how efficiently you penetrate rock, control costs, and minimize downtime.But with so many hole dr...

When tackling the toughest geological formations, the right drill bit determines whether a project runs smoothly or faces costly downtime. In today’s mining industry, Chinese drill bit manufacturers ...

The Art and Science of Drilling EfficiencyPolycrystalline Diamond Compact (PDC) technology has transformed drilling by delivering faster penetration rates and longer tool life. But unlocking the full ...