研判2025！中国铝挤压行业产量、产业链及未来趋势分析：新能源汽车、光伏、轨道交通等新兴领域已成为拉动行业发展的重要增长点[图]

Industry Overview - Aluminum extrusion is a significant processing method that applies strong pressure to aluminum billets, resulting in the desired cross-sectional shapes and mechanical properties [1][5] - The aluminum extrusion industry is crucial for various sectors, including automotive, photovoltaic, transportation, and construction, with increasing importance in the national economy [5][9] - China's aluminum extrusion output is expected to remain above 21 million tons from 2020 to 2024, with a projected output of 23.3 million tons in 2024, a decrease of 100,000 tons from 2023 due to reduced demand from the real estate market [5][9] Market Segmentation - In 2024, industrial aluminum profiles and building aluminum profiles will account for 54.3% and 45.7% of the market, respectively [9] - The construction sector remains the largest application area for aluminum profiles, with a projected output of 9.85 million tons in 2024, down 19.9% year-on-year [9][19] - Emerging sectors such as photovoltaics, rail transportation, and new energy vehicles are driving strong demand for aluminum profiles, with photovoltaic profiles accounting for 18.3% and new energy vehicle profiles for 6.5% of the total output [9][23] Industry Chain - The aluminum extrusion industry chain consists of upstream (bauxite - alumina - electrolytic aluminum), midstream (aluminum extrusion production), and downstream (application fields such as construction, automotive, photovoltaics, and electronics) [13] - China's bauxite production is projected to be around 64.2 million tons in 2024, a decline of 2% year-on-year, while imports are expected to reach 158.77 million tons, a historical high [15] Downstream Applications - The real estate sector is a major application area for aluminum profiles, but it is currently facing a downturn, with significant declines in investment and construction metrics [19] - The new energy vehicle sector has seen a substantial increase in aluminum usage, with the average aluminum content per vehicle rising to 200-300 kg, and some high-end models exceeding 500 kg [21] - In the photovoltaic sector, aluminum profiles are primarily used for solar module frames, with rapid growth in demand driven by the expansion of solar power installations [23] Industry Trends - The aluminum processing industry is expected to expand its product variety and application areas, with increasing demand for high-end aluminum materials and aluminum-based new materials in emerging fields [25] - Future developments will focus on high-performance, lightweight, and multifunctional aluminum extrusion materials, with a shift towards intelligent and automated production processes [25]