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| Henan Xin Chen Imp & Exp Co. Ltd | |
| New | |
| YES |
Product Descriptions
1. Material: alloy steel
2. Standard: API Spec.5D
3. All threads are phoshated, copperized or cold worked. All connection are equipped with pressed steel thred protectors. All threads are machined with CNC lathes-Double-shoulder and special threads
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