| Jul 28, 2020 | Replaced IATF 16949 Certificate of Registration of ANC / NQM, IATF 16949 Certificate of Registration of NQM |
| Mar 30, 2020 | Released NDK Group's Environmental Report 2019 |
| Feb 25, 2020 | Replaced ISO/IEC 17025 Certificate of Registration of NDK Quality Assurance Laboratory |
| Feb 21, 2020 | Replaced ISO 13485 Certificate of Registration of NDK Replaced IATF 16949 Certificate of Registration of Niigata NDK Co., Ltd. |
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