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Zhengzhou,Henan,China China
We can supply API 5LGr.B, X42, X52, X60, X65, X70 steel pipe as API 5L standard.The API SPEC 5L covers seamless and welded steel line pipe. If you ar
We can supply S355JR, J0, J2 square/rectangular carbon steel tube.If you are interested in chemical composition, mechanical property, and yield streng
連絡先担当者 rita zhang
住所 Zhengzhou, Henan
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