Core Viewpoint - The Chinese electronic circuit copper foil industry is experiencing rapid development and transformation, driven by the growth of emerging industries such as 5G communication, new energy vehicles, and the Internet of Things, with a projected sales volume of 440,000 tons in 2024, representing a year-on-year increase of 7.32% [1][12]. Industry Overview - Electronic circuit copper foil is a cathodic electrolytic material used as a core conductor in printed circuit boards (PCBs), facilitating electrical connections between electronic components [2]. - The industry can be categorized into electrolytic copper foil and rolled copper foil based on production processes [2]. Industry Development History - The industry has evolved through four stages: 1. Initial stage (1950s-1970s) focused on manual production with low product variety and quality [4]. 2. Localization stage (1980s-1990s) marked by increased demand and technology imports, leading to improved production techniques [4]. 3. Rapid development stage (2000s-2010s) where China became the largest producer globally, emphasizing technological innovation [5]. 4. High-end transformation stage (2010s-present) driven by new industries, with a focus on high-performance materials like ultra-thin copper foil [6]. Industry Supply Chain - The supply chain includes raw materials such as copper and sulfuric acid, production equipment like cathode rollers and foil machines, and downstream applications in communication devices, consumer electronics, and automotive electronics [8]. Market Size - The demand for electronic circuit copper foil is on the rise, with a projected sales volume of 440,000 tons in 2024, reflecting a 7.32% increase year-on-year [12]. Key Companies' Performance - The industry features leading companies such as Jiantao Copper Foil, Nanya Copper Foil, and Copper Crown Copper Foil, with 14 companies reporting sales over 10,000 tons, and five exceeding 20,000 tons [14][16]. - Notable companies include: - Jiantao Copper Foil: Largest domestic producer with advanced technology and a complete supply chain [16]. - Nanya Copper Foil: Strong in high-end copper foil technology [16]. - Copper Crown Copper Foil: Leader in RTF copper foil production, with significant revenue growth [16][18]. Industry Development Trends 1. Technological Upgrades and High-end Development - The industry is focusing on high-frequency, high-speed copper foil and ultra-thin products, with domestic companies achieving significant breakthroughs [20]. 2. Market Demand Changes and New Application Areas - The growth of 5G communication and new energy vehicles is driving demand for electronic circuit copper foil, particularly in high-performance applications [21][22]. 3. Industry Chain Collaboration and Global Layout - Companies are increasingly collaborating within the supply chain and expanding globally to enhance competitiveness and market presence [23].