• 安全生产

    Period: 2016-02-06 / 2025-02-05

    Certificate Encoding: -

    Certification bodies: 即墨市安全生产监督管理局

  • RoHS

    Period: 2018-11-14 / 2019-11-13

    Certificate Encoding: HTT181112176R

    Certification bodies: HTT

  • IOS9001:2015

    Period: 2018-11-10 / 2021-11-09

    Certificate Encoding: ISA/HK/281115

    Certification bodies: HTT