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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
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