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          Huai’an Zhenda Steel Tube Manufacturing Co.,LTD

          OTCG

          Detailed parameters?:

          ApplicationCertificatesGrade/Material?Size Range
          Casing PipeISO?9001-2015
          ISO14001:2015
          OHSAS18001:2007
          API?5CT?-0945
          J55/K55/N80-1Φ177.8-508mm?X?6-20mm
          Coupling PipeJ55/K55/N80-1Φ270-538

          Cases:


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