2) Drilling tube （G105 DPC 4 inch）
We are the Drilling tube manufacturer, and the Drilling tube specs we can supplied as follows:
Drilling tube Standard: API SPEC 5D, API SPEC 7
Drilling tube Uses: For well Drilling
Drilling tube Grade: G105
Drilling tube Size OD: 4 inch , WT: 7.11mm - 10.54mm
drilling tube Internal coating: DPC
drilling tube hard binding: ARNCO100 / BOTN1000, ARNCO300 / BOTN3000
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