ZETTLER electronics GmbH is audited at regular intervals by the TÜV Management Service GmbH. The audit was successful; the new certification is valid until 16.09.2026.

Xiamen ZETTLER electronics Co. LTD. is audited at regular intervals by the China Quality Certification Centre and by the DEKRA Certification GmbH. The audit was successful; the new certification is valid until 10.05.2024 (ISO 9001), 15.11.2024 (ISO 14001) and 26.06.2025 (IATF 16949).

Xiamen ZETTLER magnetics Co. LTD. is audited at regular intervals by China Quality Certification Centre and by the DEKRA Certification GmbH. The audit was successful; the new certification is valid until 10.05.2024 (ISO 9001), 18.11.2024 (ISO 14001) and 26.06.2025 (IATF 16949).

ZETTLER relay (Xiamen) Co. LTD. is audited at regular intervals by China Quality Certification Centre and by the DEKRA Certification GmbH. The audit was successful; the new certification is valid until 06.05.2026 (ISO 9001), 14.11.2024 (ISO 14001) and 13.03.2026 (IATF 16949)