| Certification: | ISO 9001:2000 |
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| Standard: | Ios9001:2015 |
| Surface Treatment: | Painting |
| Manufacturing Process: | Casting |
| Material: | Carbon Steel |
| Product Name: | DTH Drill Pipe |
| Samples: |
89mm DTH Drill Pipe Rod Water Well Drill Pipe
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| Customization: |
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