Introduction
API Casing and tubing manufacture located in TianJin,China, founded in 1997.
Got first API Certificate since2004, PSL-1&PSL&PSL3 is avaliable
Product size from 1.9" to 20"
API threading and premium connection is avaliable.
Poduction capacity 150 thousand tons per year.
casing , buting, coupling, pup joint avaliable.
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