Core Insights - The company has developed a 3-micron ultra-thin copper foil, significantly thinner than a human hair, breaking the long-standing overseas monopoly in this sector [2][4] - The thickness reduction of copper foil from 10 microns to 3 microns reflects continuous technological breakthroughs and the company's commitment to innovation in response to market demands [2][4] Company Overview - Founded in 1985, the company is one of the oldest domestic electrolytic copper foil manufacturers, focusing on high-performance copper foil research, production, and sales [4] - The company successfully went public on the Growth Enterprise Market in August 2023 [4] Market Position and Growth - The company has shifted from traditional electronic circuit copper foil to lithium battery copper foil since 2018, resulting in a continuous revenue increase over three years [4][6] - The company achieved a revenue of 7.8 billion yuan in 2024, with a production capacity of 150,000 tons, serving major clients like CATL, ATL, LG Chem, and BYD [6] Technological Advancements - The company has developed proprietary additive technologies to enhance the tensile strength of copper foil while maintaining its ultra-thin profile [5][6] - R&D investment increased by 30.45% in 2024, with over 500 patents filed and a dedicated team of over 400 professionals [6] Product Development - The company has successfully produced various specifications of copper foil, including 3.5 microns to 10 microns, and is developing new solutions for semi-solid and solid-state batteries [6] - The company aims to meet the growing demand for high-end copper foil products in the high-frequency communication and AI application markets [8] Strategic Initiatives - The company signed an agreement to acquire 100% of CircuitFoil Luxembourg, increasing its annual production capacity from 175,000 tons to 191,000 tons, solidifying its position as a global leader in electrolytic copper foil [11] - The acquisition will enhance the company's international market access and support the domestic replacement of high-end electronic circuit copper foil [11] Future Outlook - The company plans to establish a global production and sales system, targeting high-end clients in Europe and North America, and aims to become the first truly global copper foil enterprise from China [11] - The company is committed to driving the collaborative development of lithium battery and electronic circuit copper foil, filling the domestic market gap for high-end products [11]

Core Insights - DeFu Technology has developed a 3-micron ultra-thin copper foil, breaking the long-standing overseas monopoly and achieving domestic substitution in the market [1][2] - The company has successfully transitioned from traditional electronic circuit copper foil to lithium battery copper foil, resulting in a significant revenue increase [2][4] - DeFu Technology's R&D investment has grown significantly, with a 30.45% increase in 2024, and it has filed over 500 patents [3][4] Company Overview - DeFu Technology, established in 1985, is one of the oldest domestic electrolytic copper foil manufacturers, focusing on high-performance copper foil production [2] - The company went public on the ChiNext board in August 2023, marking a significant milestone in its growth [2] Product Development - The company has achieved mass production of various specifications of copper foil, including 3.5 to 10 microns, and has developed new solutions for solid-state batteries [4] - Each reduction of 1 micron in copper foil thickness can increase battery energy density by approximately 5%, highlighting the importance of ultra-thin copper foil in battery technology [2][4] Financial Performance - In 2024, DeFu Technology's revenue is projected to exceed 7.8 billion yuan, with a production capacity of 150,000 tons [4] - In the first half of 2025, the company reported revenue of 5.299 billion yuan, a year-on-year increase of 66.82%, and a net profit of 38.7062 million yuan, up 136.71% [4] Market Strategy - DeFu Technology aims to establish a strong presence in high-end markets through technological innovation rather than price competition [5][6] - The company has plans to expand its global footprint, particularly in Southeast Asia and Europe, following its acquisition of CircuitFoil Luxembourg [7] Future Outlook - The company is focused on becoming a leader in the copper foil industry by enhancing its technological capabilities and product offerings [6][7] - DeFu Technology's goal is to create a global operational model that integrates production and sales across Asia-Pacific and Europe [7]

Core Insights - Defu Technology has developed a 3-micron ultra-thin copper foil, breaking the long-standing overseas monopoly and achieving domestic substitution in the market [2][3] - The company has successfully transitioned from traditional electronic circuit copper foil to lithium battery copper foil, resulting in a significant revenue increase [3][5] - Defu Technology's R&D investment has grown by 30.45% year-on-year in 2024, with over 500 patents filed, showcasing its commitment to innovation [4][5] Company Overview - Defu Technology, established in 1985, is one of the oldest domestic electrolytic copper foil manufacturers, focusing on high-performance copper foil production [3] - The company went public on the ChiNext board in August 2023, marking a significant milestone in its growth trajectory [3] Product Development - The ultra-thin copper foil is crucial for enhancing battery energy density, with a 1-micron reduction in thickness leading to approximately a 5% increase in energy density [3][4] - The company has achieved mass production of various specifications, including 3.5, 4, 4.5, and 5 microns, and has developed new copper foil solutions for solid-state batteries [5] Market Position - Defu Technology aims to lead the high-end copper foil market through technological innovation rather than price competition, with a focus on high-frequency communication and AI applications [6][7] - The company has established a strong customer base, including leading global battery manufacturers such as CATL, ATL, LG Chem, and BYD [5] Strategic Expansion - In July 2025, Defu Technology initiated an acquisition of CircuitFoil Luxembourg, increasing its annual electrolytic copper foil production capacity from 175,000 tons to 191,000 tons, solidifying its position as a global leader [8] - The acquisition will enhance the company's international market presence and support the domestic substitution of high-end electronic circuit copper foil [8]