- Nmdc Non-Magnetic Spiral Drill Collar Drill Collar
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API Drill Collar Spiral Drill Collar and Non Magnetic Drill Collar
2025-04-13
introduction 2800
1 Year
Forging
Polishing
Atmospheric Pressure
P550
API
20
Provided
500
HDD Drilling/Oil Drilling
East heavy
Iron Frame Packaging
According to the custom
Henan China
8431431000
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