Chan Ye Xin Xi Wang·2025-11-10 00:54Core Insights - The silicon epitaxial wafer industry is experiencing significant growth driven by strong demand in downstream applications, particularly in integrated circuits and power devices [1][7][10] - The market for silicon epitaxial wafers in China is projected to reach 12.44 billion yuan in 2024, with a year-on-year growth of 10.58% [10][11] - The industry is transitioning towards high-end, autonomous, and diversified development, focusing on technological upgrades and industry chain collaboration [13][14][15] Industry Overview - Silicon epitaxial wafers are core semiconductor materials formed by growing a single-crystal semiconductor film on a silicon substrate, allowing precise control of key parameters [2][3] - The classification of silicon epitaxial wafers includes sizes of 300mm (12 inches), 200mm (8 inches), and 150mm (6 inches and below), catering to various semiconductor device requirements [3][4] Market Dynamics - The integrated circuit sector is the most significant application market for silicon epitaxial wafers, with production expected to reach 451.42 billion units in 2024, a 14.38% increase year-on-year [7][8] - The power semiconductor market in China is projected to grow to 175.255 billion yuan in 2024, driven by sectors such as new energy vehicles and photovoltaics [8][10] Industry Development - The Chinese silicon epitaxial wafer industry has evolved from technology dependence to achieving self-sufficiency, with significant advancements in 8-inch core processes and a shift towards 12-inch high-end products [5][10] - The industry is currently in a phase of simultaneous scale expansion and quality upgrade, with increasing competitiveness and a focus on high-end applications [10][11] Competitive Landscape - The industry is characterized by a competitive landscape where international giants dominate the high-end market, while domestic companies are rapidly catching up through technological collaboration and industry chain integration [12][13] - Key players include Hu Silicon Industry, TCL Zhonghuan, and Lian Microelectronics, focusing on breakthroughs in 12-inch technology and establishing advantages in the 8-inch power device sector [12][13] Future Trends - The silicon epitaxial wafer industry is expected to accelerate towards high-end, autonomous, and diversified development, with a focus on large-size and low-defect density technologies [14][15] - There will be a stronger emphasis on upstream and downstream collaboration to enhance self-sufficiency and build a secure and controllable industrial ecosystem [14] - Emerging application scenarios, such as new energy vehicles and artificial intelligence, will drive product diversification and innovation in the industry [15][16]