API Spec 7,NC31-41,3 1/2''Oilfield Drill collar
Product Details
| Payment Terms: | L/C,T/T |
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Supplier Information
Shaanxi Senwell Drilling Equipment Co., Ltd.
| Main Products: | Drill Bit, Drill Collar, Drill Pipe, Stabilizer, Centralizer, Line Pipe, Casing, Tubing |
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