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As one of Asia’s largest manufacturers of PDC Bits, Tricone Bits, Hole Openers & Rock Reamers, GREAT delivers high-efficiency, durable drilling solutions trusted across oil & gas, HDD, mining, and geothermal industries.
Years Experience
Countries Served
Bits Delivered
Customer Satisfaction
Founded with a mission to revolutionize drilling efficiency, Cangzhou Great Drill Bits Co., Ltd. has grown into one of Asia’s leading manufacturers of high-performance drill bits and downhole tools.
With over 20 years of industry experience, we specialize in PDC Bits, Tricone Bits, Hole Openers, Rock Reamers, and customized drilling solutions for HDD, oil & gas, mining, and geothermal applications.
Engineered for reliability, durability, and maximum drilling efficiency across diverse geological conditions.
Available in matrix and steel body designs. Ideal for soft to medium-hard formations in oil & gas, HDD, and water well drilling.
Steel tooth and TCI designs with advanced bearing systems for extended life and improved ROP.
Customizable motors for directional drilling. Designed for high torque and reliability in tough conditions.
Custom-built from 10” to 72” for HDD and mining. High-strength carbide cutters ensure long life.
Used to enlarge pilot holes in HDD. Ensures smooth, accurate boreholes for pipelines and utilities.
Combines PDC and roller-cone technology for cost-effective drilling in mixed formations.
Perfect for large-diameter HDD bores. Sizes from 12” to 50” with aggressive cutting structure.
Used in vertical and inclined shafts for mining, ventilation, and escape tunnels.
Reliable drilling solutions for the most demanding environments.
High-performance PDC and Tricone bits for onshore and offshore drilling.
Efficient drilling tools for deep and shallow water well applications.
Thermally stable bits designed for high-temperature geothermal wells.
Durable raise boring cutters and core barrels for underground mining.
Hole openers, reamers, and bi-center bits for trenchless construction.
Precision drilling tools for bridge and building foundation projects.
Reliable bits for shale gas and tight gas formations.
Robust tools for microtunneling and directional drilling projects.
Equipped with CNC machines and automated quality control systems.
ISO 9001, API certified. Compliant with international standards.
Tailored bits and reamers based on formation data and project needs.
Dedicated technical team available via phone, WhatsApp, and email.
We use high-quality synthetic diamond and tungsten carbide substrates for superior wear resistance and thermal stability.
Yes, our R&D team designs custom bits based on geological data, drilling parameters, and project goals.
Standard products ship within 7–15 days. Custom orders take 20–30 days depending on complexity.
Yes, our 24/7 technical team provides field support, troubleshooting, and performance analysis.
Contact our sales team for quotes, technical support, or custom drilling solutions.
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