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  • ISO 9001:2015 certified by BV

    Certificate No : CNBJ321283-UK

    Issuing authority : Bureau Veritas Certification Holding SAS-UK Branch

    Organization phone : +86 10 59683663

    Institution URL : http://www.cnca.gov.cn

    Valid period : 2017-11-27 - 2020-11-26






    Manufacturing of Welded Pipe and Sonic Pipe