coupling for casing amp tubing

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OCTG-casing (20)

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API5L steel pipe-line pipe (9)

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API5CT steel pipe-oil tubing (8)

API5DP steel pipe-drill pipe (11)

casing and tubing with special thread (1)

greentea (0)

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Crossover (0)

thanks for your high quality oil tubing and casing, and your best survice. feeling good. will be more business with your company in future!

—— Jake

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