API Spec 7,NC31-41,3 1/2''Oilfield Drill collar

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Payment Terms:	L/C,T/T

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Supplier Information

Shaanxi Senwell Drilling Equipment Co., Ltd.

[ Shaanxi, China (Mainland)

Main Products:	Drill Bit, Drill Collar, Drill Pipe, Stabilizer, Centralizer, Line Pipe, Casing, Tubing

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