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| Product Name: |
drill collar
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| Supply Ability: |
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| Related proudcts |
collar, drill collar, |
| Specifications |
API Spec7-1 and Standard SY 5144 |
| Price Term: |
negotiated |
| Port of loading: |
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| Minimum Order |
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| Unit Price: |
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| DRILCO drill collars are manufactured to specifications more stringent than API specifications. The care taken in materials specification, heat treatment, machining, and inspection is reflected in the performance of our drill collars. Drill collars are available in both standard and spiral designs. |
| Company: |
tianhe oil group
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| Contact: |
Ms. viola qian |
| Address: |
no.2999,xinyang road,fengxian district,shanghai,china |
| Postcode: |
201413 |
| Tel: |
008613472825587 |
| Fax: |
86-021-61558302 |
| E-mail: |
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