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| MOQ | 1 Piece/Pieces |
| Port | shanghai or tianjin |
| Packaging | bundle or package |
| Lead Time | 30 days or ASAP |
| Place of Origin | Beijing, China (Mainland) | Brand Name | petroleum weldless links |
| Model Number | Customized | Type | Wireless links |
| Machine Type | Drilling Tool | Certification | API |
| Material | alloy steel | Processing Type | Forging |
| Use | Well Drilling | material | high-quality alloy steel |
| manufacture method | forging | designed factor | 2.25-3 |
| heat | special heated treat | test | every link test by 1.5 rate work load before deliver |
| work load limit | there are signs such as working load limit in the link | usage | for deep well and super-deep well |
| the ends | both the ends are shaped by swaged forging process | the pole | is pulled by open forging |
Room C-809, Tower 1, Wang Jing SOHO, Chao Yang District
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