News

Great Group Successfully Completes Massive Order for 3,000 Tricone Drill Bits Ever since the mobilization meeting on December 9, 2025, which launched the "Two-Month Delivery of 3,000 Tricone Dril...

On the morning of February 4th, four representatives from Great Group—Vice General Managers Shen Zhiqiang, Li Chunyan, Zhang Wei, and Technical Engineer Yuan Wentao—attended the Hejian Municipal Wor...

IntroductionThe tricone drill bit remains one of the most widely used drilling tools in oil & gas, water well, mining, and geothermal applications. Its versatility, adaptability to different forma...

In the drilling industry, "price" and "cost" are two very different things. A cheaper drill bit that fails halfway through a deep well can cost you tens of thousands of dollars in ...

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...