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Zhengzhou,Henan,China China
product:ASTM A106 carbon steel seamless pipe process:cold drawn, Hotrolled material:10#, 20#, Q235, ST37, etc Standard: ASTM OD:10-750 mm W.T. : 1-60m
連絡先担当者 cathy zheng
住所 Zhengzhou, Henan
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