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OCTG-casing (20)

OCTG-Tubing (8)

OCTG-coupling for casing&tubing (13)

OCTG-Tool joint (14)

OCTG-Pub joint (8)

OCTG-drill pipe (10)

API5L steel pipe-line pipe (9)

API5CT steel pipe-seamless steel pipe (15)

API5CT steel pipe-oil casing (5)

API5CT steel pipe-oil tubing (8)

API5DP steel pipe-drill pipe (11)

casing and tubing with special thread (1)

greentea (0)

BLAST JOINT (0)

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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