Dongying Haixin petroleum equipment co.,LTD -

Dongying Haixin petroleum equipment co.,LTD

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drill pipes
Specification: API
Detail: The OD ranges from 2 3/8" to 5 1/2" and steel grade from E75 to S135. It's mainly used inoil and gas exploration and development prjcess of deep well,horizontal well and extended reach well.


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