格力电器：格力视产品质量为企业生命，自2021年在行业率先推出内销家用空调十年免费包修政策

Core Viewpoint - Gree Electric Appliances emphasizes product quality as vital to its business, having introduced a ten-year free repair policy for domestic air conditioners in 2021, leading the industry in this initiative [1] Group 1: Product Quality and Strategy - The company considers copper as a core raw material for air conditioners, accounting for approximately 20% of the total cost [1] - Although aluminum costs about 1/12 of copper in terms of material price (approximately 1/4 in price and 1/3 in density), the company has no plans to replace copper with aluminum due to significant differences in parameters such as melting point, thermal conductivity, resistivity, corrosion resistance, and long-term reliability [1] - The company is committed to researching aluminum-to-copper technology and will continue to monitor industry trends [1]