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| Total 1 products from 127mm 8 1 4 spiral drill collar Manufactures & Suppliers |
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Brand Name:Pangolin Place of Origin:Hebei China Non Magnetic Oil Rig Drilling Spiral Drill Collar Spiral Drill Collar Non Magnetic Drill Collar For Oil Rig Drilling Advantages Since all magnetic measuring instruments can sense the geomagnetic field in the borehole when measuring the borehole direction... |
Langfang Pangolin Drilling Tools Co., Ltd.
Hebei |