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| Up to now, our co***ny has successfully developed OCTG products with non-API standard premium threads, Such as DL-V series、DL-T series、DL-H series、DL-J series, which has the same performance as Vam series、Tenaris-Hydril series、Hunting series and JFE series. Furthermore all of them have got the Chinese national patent.
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| Company: |
Dynoland International Trading Co.,LTD
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| Contact: |
Mr. Shengkun Wang |
| Address: |
Rm1010A, LC international center, No. 1 Cuijingbeili, Tongzhou, Beijing, 101121, China |
| Postcode: |
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| Tel: |
13581841270 |
| Fax: |
86-10-81521860 |
| E-mail: |
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