HUAXI Securities·2026-03-29 08:42Investment Rating - Industry Rating: Recommended [5] Core Insights - The lithium battery copper foil market is expected to see rapid growth, with shipments projected to reach 940,000 tons in 2025, a year-on-year increase of 36%, and further growth to 1,150,000-1,200,000 tons in 2026, exceeding 20% year-on-year [1][9] - The trend towards ultra-thin copper foil is clear, driven by cost optimization and performance enhancement needs, with the proportion of ultra-thin products (5/4.5μm) expected to rise to 25% in 2025 and 50% in 2026 [1][13] - The PCB copper foil market is also expanding, with the global market size projected to grow from 47.7 billion yuan in 2024 to 71.7 billion yuan in 2029, at a compound annual growth rate (CAGR) of 8.5% [3][35] Summary by Sections Lithium Battery Copper Foil - Demand is on the rise, with significant growth in shipments expected due to the expanding downstream demand from the power and energy storage sectors [1][9] - The high copper prices have led to a strong demand for cost reduction, with a notable reduction in copper usage and costs when using 4.5μm products compared to 6μm [12][17] - The industry is experiencing a tightening supply-demand balance, with limited capacity expansion and a concentration of market share among leading manufacturers, as evidenced by the CR5 market share increasing to 45.8% in 2025 [23][27] Electronic Circuit Copper Foil - The demand for high-frequency and high-speed PCB copper foil is robust, driven by advancements in AI computing, electrification, and consumer electronics [3][31] - The global market for AI and high-performance computing PCB copper foil is expected to grow significantly, with a projected CAGR of 36.1% from 2024 to 2029 [35][36] - Domestic manufacturers are actively positioning themselves in the high-end PCB copper foil market, which is characterized by high processing fees and stringent performance requirements [3][55] Investment Recommendations - The copper foil industry is identified as a capital-intensive sector with high raw material costs, leading to limited capacity expansion in the early stages [4][57] - The anticipated rapid growth in demand for power and energy storage batteries is expected to tighten supply and increase processing fees, enhancing profitability for suppliers [4][58] - Recommended stocks benefiting from these trends include Nord Technology, Tongguan Copper Foil, Zhongyi Technology, Defu Technology, and Jiayuan Technology [58]