Company Introductions
Jinshi Drilltech (Tangshan) Co., Ltd. was founded on November 11, 1996, and listed on the New OTC market (Jinshi Drilltech stock code: 873131; Former Tangshan Jinshi Superhard Material Co., Ltd) in January 2019. The company with a registered capital of 53 million CNY, an area of 50,000 square meters, 330 employees worldwide, and is a high-tech enterprise integrating R&D, production and sales of diamond core drilling tools, total drilling solutions and drilling construction.
Reaming shell are designed for maintaining hole diameter and stabilizing drilling hole and core barrel,JINSHI
reaming shells employ advanced sintering technology & feature in good stability and long working life.
Reaming shell standard & Technical Specifications
| Standard |
OD(mm) |
| AQ |
48 |
| BQ/BQ2 |
59.9 |
| NQ |
75.7 |
| HQ |
96.1 |
| PQ |
122.6 |
| SQ |
148.1 |
| Classification |
Code |
Technology |
| PDC Reaming shell |
P |
Polycrystalline Sintering |
| Diamond reaming shell |
D |
Sintering of Reinforced Polycrystalline and large Grain diamond |
| Muti0rings reaming shell |
2D/4D |
Sintering of Reinforced Polycrystalline and large Grain diamond |
Successful Projects
Our Advantages
1. Professional Team & Experience:
Our expert team in this area has an experience of more than 20 years.
2. World-Class Intelligent Facilities:
We own precision CNC machine, milling machine, quenching machine, precision lathe, sintering machine and other
advanced equipments.
3. Selected High Quality Raw Materials:
We select raw materials from leading big steel factories, such as BAO STEEL, TANG STEEL, HEBEI STEEL GROUP which
are the best and largest raw material manufacturers in China.
4. Strict Physical/Chemical Testing Procedures:
We have own lab in our factory to make sure our products can meet the requirements of design and process, and
provide reliable testing data.
5. Short Delivery Time:
Normal production takes 7 days. And we in stock standard products which can be shipped very soon.
6. Safe Package & Shipment:
Standard export packages with well protection or in wooden/steel cases.
7. Best After-Sale Service:
Timely communication & response especially for trouble shooting. We got good reputation around the world since all these years.
Audited Supplier 
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