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  • SGS of strut coil spring compressor

    Issuing authority : SGS

    Valid period : 1900/1/1 - 1900/1/1

  • SGS of strut spring compressor

    Issuing authority : SGS

    Valid period : 1900/1/1 - 1900/1/1

  • Hardware Industry Certificate

    Issuing authority : Hardware Association

    Valid period : 1900/1/1 - 1900/1/1

  • ISO 9001 Certificates

    Issuing authority : zhongjian bosen certification(beijing) Co.,Ltd

    Valid period : 2022/6/27 - 2023/7/14





    Quality Management system has been awarded this certificate for compliance with the standard:
    GB/T19001-2016/ISO9001:2015
    The qualtiy management system applies in the following area:
    hardware,tools manufacture and sales