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PDC bit roller cone bit mine raise downhole motor Pile foundation rotary excavation series PDC reamer Non-excavation horizontal directional drilling other

GS1306

Suitable for soft to medium formation applications. Large JSA, high cuttersexposure, small bake rake angle, and special shape cutters set in nose andshoulder part, these feature is for more aggressive design to improve ROPback reaming cutters on gauge pad on each blades and spiral gauge pad,these features enhances its drilling stability and prevents the cutter'sunexpected damage. The balanced hydraulics design increases the capabilityof anti-balling and ROP. The use of high -tech cutters improve

GS1305

Suitable for soft to medium formation applications. Large JSA, high cutters exposure, small bake rake angle, and special shape cutters set in nose and shoulder part, these feature is for more aggressive design to improve ROP back reaming cutters on gauge pad on each blades and spiral gauge pad, these features enhances its drilling stability and prevents the cutter's unexpected damage. The balanced hydraulics design increases the capability of anti-balling and ROP. The use of high -tech cut

GS1306T

Suitable for soft to medium formation applications. Large JSA, high cutters exposure, small bake rake angle, and special shape cutters set in nose and shoulder part, these feature is for more aggressive design to improve ROP back reaming cutters on gauge pad on each blades and spiral gauge pad, these features enhances its drilling stability and prevents the cutter's unexpected damage. The balanced hydraulics design increases the capability of anti-balling and ROP. The use of high -tech cut

GM1306T-008

Suitable for soft to medium formation applications. Large JSA, high cutters exposure, small bake rake angle, and special shape cutters set in nose and shoulder part, these feature is for more aggressive design to improve ROP back reaming cutters on gauge pad on each blades and spiral gauge pad, these features enhances its drilling stability and prevents the cutter's unexpected damage. The balanced hydraulics design increases the capability of anti-balling and ROP. The use of high -tech cut

GR417GX

1.Composite seal: The overall service life of the composite seal drill bit is 20%-50%longer than rubber seal drill bit. The composite seal drill bit can be used in conjunction with the motor. 2.Chisel Insert: The main cutters are Chisel tooth,effectively improves the rock breaking efficiency of the cone and increases the strength of the teeth,is suitable for drilling in medium soft to medium hard formations.

GS517G

1.Composite seal: The overall service life of the composite seal drill bit is 20%-50%longer than rubber seal drill bit. The composite seal drill bit can be used in conjunction with the motor. 2.Spoon teeth: Spoon-shaped teeth:Improve the stress condition of the teeth,effectively improve the rock breaking efficiency of the cone and increase the strength of the teeth,suitable for drilling in soft to medium-soft formations.

GST127G

1.Composite seal: The overall service life of the composite seal bit is 20%-50%longer than rubber seal bit,it has better performance under high temperature and high speed conditions. The composite seal drill bit can be used in conjunction with the motor. 2.Cone alloy welding layer: welding high-performance wear-resistant alloy particles.

GSL437G

1.Composite seal: The overall service life of the composite seal drill bit is 20%-50%longer than rubber seal drill bit. The composite seal drill bit can be used in conjunction with the motor. 2.Spoon teeth: Spoon-shaped teeth:Improve the stress condition of the teeth,effectively improve the rock breaking efficiency of the cone and increase the strength of the teeth,suitable for drilling in soft to medium-soft formations

Company profile

Cangzhou Geruite Drill Bit Co., Ltd., established in 1998, is located in Yingzhou Economic Development Zone, Hejian, Hebei. With a registered capital of 115 million yuan, the company currently employs over 300 people and spans a total area of 86,000 square meters, with a total construction area of 63,000 square meters. This includes 5,000 square meters for office buildings, 8,000 square meters for Workshop 1, 12,000 square meters for Workshop 2, and 33,000 square meters for Workshop 3. The company specializes in the research, development, design, production, and sales of drilling and extraction products. Its main products include diamond drill bits, three-cone drill bits, screw drill tools, coring drill bits, dual-core drill bits, hybrid drill bits, PDC reamers, micro-reamers, twist-and-punch speed-up tools, engineering pallets, cutting picks, rock reamers, rotary bucket drills, sand scoops, and raise boring tools. These products are used in various engineering fields such as oil and g...

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Over 142 intellectual property rights

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News

PDC drill bits facilitated Beike Energy's successful well completion, earning further high recognition

2026-04-17 11:51:50 9

On April 9, 2026, Great Group received a congratulatory letter from the No. 40066 Drilling Team of Xinjiang Baiken Energy, which highly praised the outstanding performance and stable operation of the ...

Great Group Appears at the 2026 International Mining Machinery Exhibition in Istanbul, Türkiye

2026-04-17 11:21:37 20

With its core mining machinery products, Great Group has made a heavy debut. With its excellent product quality and mature "one-stop" drilling solutions, it has in-depth exchanges and discussions with...

Leaders from China National Offshore Oil Corporation (CNOOC) visited GRT Group for inspection and exchange

2026-04-17 11:06:16 24

Recently, a delegation of leaders from China National Offshore Oil Corporation (CNOOC) visited and provided guidance to Great Group. The two sides held a special symposium on topics such as research a...

CIPPE2026 Oil and Gas Industry Feast cordially invites visitors

2026-04-17 10:58:18 21

The 26th editionChina International Petroleum and Petrochemical Technology and Equipment Exhibition

Great love without hindrance, warm companionship

2026-04-17 10:50:43 21

On March 17th, Bai Junhua, Senior Vice President of Great Group, and Zhang Wei, Manager of the Safety and Environmental Protection Department, led a team to visit a special education school with relev...

"GREAT Group appeared at the 'Hebei Province Industrial Cluster Exchange and Matchmaking Meeting with Diplomatic Envoys in China'."

2026-04-17 10:32:59 18

In order to deepen the 'Shared Smart Manufacturing' initiative to empower industrial clusters, further expand international channels for these clusters, assist 107 key specialized industrial clusters ...