董明珠回应空调“铝代铜”：仍未达同等技术保障，正研究相关技术

Group 1 - Major companies including Haier, Midea, and Xiaomi have committed to the self-discipline convention of the "Aluminum Replacement for Copper" technology in the air conditioning industry, aiming to drive breakthroughs and high-quality development in this area [1] - Dong Mingzhu, in response to the "aluminum replacement for copper" issue, stated that while aluminum can potentially replace copper, it has not yet reached the same technical standards and guarantees as copper, hence the company will continue to research until aluminum can fully replace copper [1] - Gree has indicated that it currently has no plans to adopt "aluminum replacement for copper," citing copper's advantages in thermal conductivity, corrosion resistance, and long-term reliability, and will not proceed until there is 100% confidence in the replacement [3] Group 2 - At the 2025 China Home Appliance Technology Annual Conference, the China Refrigeration Society released the group standard for the construction specifications of aluminum tube fin heat exchanger production lines for room air conditioners, with additional standards for aluminum heat exchanger raw material technology currently being developed [5] - The Ministry of Industry and Information Technology and nine other departments jointly issued the "Implementation Plan for High-Quality Development of the Aluminum Industry (2025-2027)" in March 2025, which emphasizes "using aluminum to save copper" as a key direction for expanding aluminum consumption and promoting its large-scale application in sectors like electricity and home appliances [5]