API Spiral Drill Collar and Non Magnetic Drill Collar
Dongying Zhaoxin Industry and Trade Co, Ltd.- After-sales Service：Yes
- Warranty：1 Year
- Manufacturing Process：Casting
- Surface Treatment：Galvanized
- Operation Pressure：Atmospheric Pressure
- Material：Alloy
Base Info
- Model NO.：3-1,2
- Transport Package：Bulk
- Specification：3-1,8 3-1,2 4-1,8 4-3,4 5 6 6-1,4 6-1,2 6-3,4 7
- Trademark：ZX
- Origin：China
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