Key Specifications/Special Features:
Process: EAF + LF + VD + forged + heat treatment + fine finishing + examination + packing
Delivery condition: as customers' requirement, semi-finished forging or finished product
Test: ultrasonic test, tensile test, impact test, hardness test
When ordering, please specify:
Slick or spiral
Drill collar OD
Drill collar ID
Length of drill collar
Connection of type
We are dedicated to supply you best service and will be your reliable business partner, please feel free to contact us
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