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we have got the citification of the ISO9001 and API , we are always insisting on the slogan of "Creativity, Quality First, Satisfy Clients".
We are confident that we can provide all the drilling equipment which you need! As a very active manufactures, we can also develop new designs according to our costomers.
The specifications of oil drill pipes we can supply according to the API are as following:
Size
(inch) RSD WeightDesignation Calculated Plain-End weight Outside Diam. Wall Thickne...
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| Company: |
shijiazhuang longway petroleum drill tools co.,ltd
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| Contact: |
Ms. he xiaoman |
| Address: |
beikou economic zone |
| Postcode: |
052260 |
| Tel: |
86-13933146708 |
| Fax: |
86-311-84386567 |
| E-mail: |
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