Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.
To survive with high quality,to develop with non-stop innovation,to repute with thoughtful service,to brand with great sincerity
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DHD360 Button Bit DTH Bit For Well Drilling For DTH Drill Rig Rock L8 With High Quality.
Advantages:
1. Advanced production equipment & talented researchers & technicians & rich experiences in R & D and production.
2. The best quality raw materials.
3. Advanced production technology & strict testing procedure.
4. ISO9001 quality management system certification.
5. OEM manufacturing and produce on your design.
6. First class special alloy steel with high strength, heat resistance and wearable
7. The best tungsten carbides from China are commonly applied.
8. Tungsten carbide from European is also available.