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| For several years ,our co***ny have two intergral production lines for friction-welded drill rod have been imported from Japan,plus one complete production line for drill pipe tool joints.We also possess our own facilities for heat treatment of welds and tool joints,thread-cutting ,and other machining.Our range of testing facilities includes a German-made derect reading spectrometer,equipment for tensile,i***ct and hardness testing,plus magnetic particle and ultrasound inspction equipment.Applying Japanese technology and manufacturing skills,and using steel selected from the world's leading mills,we manufacture strictly in accordance with API specifications and SY/T industry standards.Our products have received API certification,ISO9001 quality control certification ,and HSE certification.
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| Company: |
China northlink trading co,.ltd
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| Contact: |
Ms. niu lihui |
| Address: |
Room 203, Building 19, West ring south street No 26, Beijing Economic and Technological Development Zone. Beijing, China |
| Postcode: |
100176 |
| Tel: |
+86-010-67856557-609 |
| Fax: |
+86-010-67856887 |
| E-mail: |
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