ASI certifies Nanjing Yunhai Aluminum Co., Ltd. against Chain of Custody Standard V2
The facility produces industrial aluminium alloy cast rods, ingots, and extruded profiles, and the products are mainly applied to the fields of automotive light weighting, electronics and civil consumption.
21 August 2026
Aluminium Stewardship Initiative (ASI) today announced that Nanjing Yunhai Aluminum Co., Ltd. has been certified against the ASI Chain of Custody Standard V2 (2022). The facility produces industrial aluminium alloy cast rods, ingots, and extruded profiles, and the products are mainly applied to the fields of automotive light weighting, electronics and civil consumption. It has an annual production capacity of 150,000 tonnes of high-performance aluminium alloy rods, 50,000 tonnes of aluminium alloy ingots, and 50,000 tonnes of aluminium and magnesium extruded profiles. The facility attained Performance Standard Certification in April 2026.
The ASI CoC Standard V2 sets out requirements for the creation of a Chain of Custody for material that is produced and processed through the value chain into diverse downstream sectors. The implementation of ASI’s CoC Standard links verified practices at successive steps of the supply chain – certified under the ASI Performance Standard – to the materials produced by ASI Certified Entities. The CoC Standard also confirms that appropriate policies and due diligence processes are in place to identify and address critical issues, such as corruption, human rights abuses, materials originating from conflict-affected and high-risk areas in the supply chain and support responsible sourcing.
The independent, third-party audit of Nanjing Yunhai Aluminum Co., Ltd. was carried out by SGS-CSTC Standards Technical Services. A full listing of audit findings outlining evidence of conformances is available from page 5 of the summary audit report, linked below. Two non-conformances were identified during the Chain of Custody Certification audit under Criteria 8.3 Input and Inflow Quantities and 8.4 Output Quantities of CoC Material. Nanjing Yunhai Aluminum Co., Ltd. will be implementing corrective actions, to be verified in a follow-up audit.
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