Audited Supplier
SS1
ISO 9001:2000
New
DC Motor
75mm-325mm
More Than 20 Meters
Cone Bit
Rotary
Bq Nq Hq Pq
Core Drill Bit
Well Drilling, Metal Drilling, Coal Mine Drilling
Diamond
Customizable
zhuangyuan
Wooden Crate
75mm-325mm Carbon Steel
China
Product Description
| Size of The Core Bits and Reaming Shell | ||||||
| Description | Core Bits | Reaming Shell | ||||
| Specification Model | Outside Diameter | Inside Diameter | Outside Diameter | |||
| Inches | mm | Inches | mm | Inches | mm | |
| BTW | 2.345 | 59.56 | 1.667 | 42.1 | 2.36 | 59.95 |
| NTW | 2.965 | 75.31 | 2.218 | 56.1 | 2.98 | 75.7 |
| HTW | 3.762 | 95.57 | 2.809 | 71.1 | 3.783 | 96.06 |
| AC(AQ) | 1.875 | 47.63 | 1.062 | 26.97 | 1.89 | 48.01 |
| BC(BQ) | 2.345 | 59.56 | 1.433 | 36.4 | 2.36 | 59.95 |
| BC3(BQ3) | 2.345 | 59.56 | 1.32 | 33.53 | 2.36 | 59.95 |
| NC(NQ) | 2.965 | 75.31 | 1.875 | 47.63 | 2.98 | 75.7 |
| NC3(NQ3) | 2.965 | 75.31 | 1.775 | 45.08 | 2.98 | 75.7 |
| HC(HQ) | 3.762 | 95.57 | 2.5 | 63.5 | 3.783 | 96.09 |
| HC3(HQ3) | 3.762 | 95.57 | 2.406 | 61.11 | 3.783 | 96.09 |
| PC(PQ) | 4.805 | 122.05 | 3.345 | 84.96 | 4.828 | 122.65 |
| PC3(PQ3) | 4.805 | 122.05 | 3.27 | 83.06 | 4.828 | 122.65 |
| T2-56 | 2.205 | 56 | 1.642 | 41.7 | 2.217 | 56.3 |
| T2-76 | 2.992 | 76 | 2.429 | 61.7 | 3.004 | 76.3 |
| T2-86 | 3.385 | 86 | 2.832 | 71.7 | 3.398 | 86.3 |
| T2-101 | 3.976 | 101 | 3.295 | 83.7 | 3.988 | 101.5 |
| T6-101 | 3.976 | 101 | 3.11 | 79 | 3.988 | 101.5 |
| T6-131 | 5.157 | 131 | 4.252 | 108 | 5.157 | 131.5 |
| Specifications of Reaming Shell | |
| Category | Bit Size |
| Double-tube Reaming shell | P56,P59,P75,P76,P91,P110,P130 |
| Single-tube Reaming shell | D56,D59,D75,D76,D91,D110,D130,D150,D171,D223 |
| Wireline Reaming shell | S56,S59,S75,S95,BC,NC,HC,PC,T2-76,T2-86 |
Our esteemed company, Hunan Yuanyu Exploration Technology Development Co., Ltd., has an illustrious history that traces back to its origins as Hunan Zhuangyuan Geological Equipment Co., Ltd., once affiliated with the prestigious Hunan Provincial Institute of Geophysics and Geochemistry. Emerging from the renowned 409 team mechanical repair workshop, we became a distinguished entity with the establishment of the 409 Repair Factory in 1989. The prestigious Diamond Products Research Institute followed in 1992, marking a significant milestone. In 2003, we expanded our horizons with the formation of Zhuangyuan (Group) Company, encompassing Hunan Zhuangyuan Diamond Products Co., Ltd. and Hunan Zhuangyuan Geological Equipment Co., Ltd. Our strategic evolution continued in 2016 when we partnered with Hunan Hongyu Water Resources and Hydropower (Group) Co., Ltd. to form Hunan Yuanyu Exploration Technology Development Co., Ltd. As a national high-tech enterprise, we specialize in designing, producing, researching, and offering operational services for geological equipment including cutting-edge drilling rigs, sophisticated drilling tools, premium diamond drill bits, and centralized slurry injection equipment. In the realm of emergency equipment, our innovative 'centralized slurry grouting system' proudly made it to the inaugural recommended emergency equipment procurement list of Hunan Province.
In recent years, Hunan Yuanyu Exploration Technology Development Co., Ltd. has garnered significant recognition and accolades in the industry. Our esteemed 'Zhuangyuan' brand has been celebrated as the 'Famous Trademark of Hunan Province' numerous times, a testament to our unwavering commitment to quality and excellence. Furthermore, we have proudly earned the titles of 'Hunan Province Contract Abiding and Creditworthy Unit' and 'Hunan Province Integrity Construction Demonstration Unit' on multiple occasions. In a crowning achievement, we were honored with the designation of 'National High-tech Enterprise' in 2021, cementing our status as a leader in technological advancement and innovation.
At Hunan Yuanyu Exploration Technology Development Co., Ltd., technological innovation is at the heart of our ethos, reflected in our impressive portfolio of over 10 groundbreaking patents. We maintain robust partnerships with esteemed institutions such as China University of Geosciences (Wuhan) and Central South University, serving as the industry-university research base for China University of Geosciences (Wuhan). Our collaboration with the Guangzhou Institute of Geochemistry of the Chinese Academy of Sciences has borne fruit in the form of a pioneering marine shallow sampling drilling rig, which has received widespread acclaim from our valued users and stakeholders.
