ASI certifies Nemak Nanjing Automotive Components Co., Ltd. against Performance Standard V3.1
The facility manufactures aluminium alloy automotive components including cylinder heads and subframes.
21 January 2026
Aluminium Stewardship Initiative (ASI) today announced that Nemak has achieved Certification against the ASI Performance Standard V3.1 (2023). The facility manufactures aluminium alloy automotive components including cylinder heads and subframes, and in 2024 produced over 13,000 tonnes of cylinder heads and more than 300 tonnes of subframes. Its operations are supported by on-site workshops, laboratories, warehouses, and associated production and storage facilities.
The ASI Certification program was developed through an extensive multi-stakeholder consultation process and is the only comprehensive voluntary sustainability standard initiative for the aluminium value chain. The ASI Performance Standard V3 and ASI CoC Standard V2 were launched in May 2022 following a multi-year revision process. The ASI Performance Standard V3 defines 11 principles and 62 criteria under three sustainability pillars – Environment, Social, and Governance – with the aim to address pressing sustainability issues in the aluminium value chain, such as biodiversity, Indigenous Peoples rights, circularity, and greenhouse gas emissions. The 2022 Standards and related documents underwent a minor update in 2023, accounting for editorial changes, correction of minor errors and for general clarification, culminating in the release of Performance Standard V3.1 (2023) and Chain of Custody Standard V2.1 (2023).
The independent, third-party audits of the Nemak Nanjing Automotive Components Co., Ltd. was carried out by SGS-CSTC Standards Technical Services. A full listing of audit findings outlining evidence of conformances and minor non-conformances is available from page 5 of the summary audit report, linked below. Two major non-conformances are noted under Criteria 5.3a GHG Emissions Reduction Plans and 5.4 GHG Emissions Management; in addition, two minor non-conformances are noted under Criteria 6.5a-c Waste Management and Reporting and 9.1a-d Human Rights Due Diligence. Nemak Nanjing Automotive Components Co., Ltd. has been approved for an exemption relating to its GHG emissions performance under Criteria 5.3a and 5.4. Under this exemption, major non-conformances will not count towards Provisional Certification status. During the Certification Period, Nemak will be implementing a corrective action plan, which will be verified in follow-up audits.
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