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  • ISO 9001:2015

    Issuing authority : SGS United Kingdom Ltd

    Valid period : 2017/1/30 - 2020/1/29

    Manufacture of metal pipe fittings,tee and joint parts for mechanical equipment

  • ISO 9001:2015 Quality Management System Internal Auditor

    Issuing authority : SGS-CSTC Standards Technical Services Co.,Ltd

    Valid period : 2015/11/2 - 2022/11/1

    ISO 9001:2015 Quality Management System Internal Auditor

  • HI-tech Enterprice Qualification

    Certificate No : GR201837101233

    Issuing authority : Qingdao Municipal Government

    Valid period : 2018/11/30 - 2021/11/29

    Qingdao Zehan Machinery Manufacturing Co., Ltd was certificated as Qingdao HI-tech Qualification Enterprice in 30th, Nov. 2018


  • 2017 Hunter Engineering Excellence Supplier

    Issuing authority : Hunter Engineering

    Valid period : 2018/1/1 - 2023/12/31

    Qingdao Zehan Machinery Manufacturing Co.,Ltd won 2017 Hunter Engineering Excellence Supplier