Core Insights - The article emphasizes the critical role of electrolytic copper foil in supporting the electric vehicle, smartphone, and AI industries, highlighting its importance as a core material in the new energy and electronic information sectors [1] - DeFu Technology, a leader in the electrolytic copper foil industry, has achieved significant milestones, including a successful listing on the Shenzhen Stock Exchange in 2023 and a record annual revenue of 7.8 billion yuan in 2024, marking a 20% year-on-year growth [2] Industry Leadership - In 2024, China's electrolytic copper foil production capacity reached 1.85 million tons, accounting for over 80% of global capacity, maintaining its position as the world's largest producer [2] - DeFu Technology's annual production capacity of 150,000 tons and sales volume of nearly 100,000 tons demonstrate its absolute leading advantage in the industry [2] Technological Innovation - DeFu Technology focuses on independent innovation, transitioning the domestic electrolytic copper foil industry from an equipment precision-oriented approach to an electrochemical process-oriented approach [3] - The company has developed high-strength copper foil materials with tensile strengths exceeding 700 MPa, which have been applied in high-end foldable smartphones [3][4] - DeFu Technology has pioneered the development of various three-dimensional electrolytic copper foils for solid-state batteries, enhancing its competitive edge in the market [4] Product Development - The company has customized solutions for silicon-based and lithium metal anodes, addressing the challenges posed by volume changes during battery cycling [8][9] - DeFu Technology's ultra-high-strength lithium battery copper foil series can achieve tensile strengths greater than 700 MPa and elongation rates of at least 4.5%, ensuring safety and performance in high-silicon anode applications [8] Advanced Circuit Copper Foil - The demand for advanced electronic circuit copper foil is expected to grow, driven by the needs of 5G and AI technologies [12] - DeFu Technology has established the KuaFu Laboratory to develop and mass-produce advanced electronic circuit copper foil solutions, becoming the only domestic supplier covering various high-frequency and high-density interconnect applications [13] Market Positioning - DeFu Technology's innovative approaches have positioned it as a leader in the domestic copper foil industry, with a focus on high-end applications and a commitment to replacing imported products [16] - The company aims to contribute to global technological advancements and the development of the copper foil industry, transitioning from "Made in China" to "Created in China" [16]