Core Insights - TSMC's unexpected decision to exit the GaN business by 2025 signals a significant shift in the semiconductor industry, as the company focuses on more advanced chip processes, reshaping the competitive landscape and creating new market opportunities [1][3] Industry Dynamics - GaN technology is increasingly viewed as a critical asset in sectors such as renewable energy, electric vehicles, and artificial intelligence, prompting countries like the U.S. and Europe to invest heavily in domestic production and technology protection [3][5] - The U.S. has implemented export restrictions to safeguard core technologies, while Europe is encouraging local companies to expand production capabilities, with STMicroelectronics aiming to increase its global chip production share by 2030 [3][5] - Japan is focusing on securing upstream materials rather than expanding production, emphasizing the development of large-size substrates to maintain control over essential resources [3] China's Position - Chinese companies are transitioning from followers to key players in the GaN market, aiming for a complete industrial chain that includes both production capacity and technological breakthroughs [5][9] - The Chinese government has introduced tariff reductions to lower the import costs of critical components for GaN production, while significant investments are being made in domestic equipment and material manufacturers [5][9] Company Developments - Companies like Sanan Optoelectronics are producing silicon-based GaN wafers and entering high-end RF foundry services, while Innoscience is increasing its 8-inch wafer production and reducing costs below industry averages [7][9] - Wentai Technology has launched a full range of GaN products and is establishing a factory in Germany to facilitate future exports [7][9] Technological Advancements - Chinese research institutions have achieved production of materials that match international standards, such as GaN-on-SiC substrates, and innovations in chip design have significantly improved power efficiency and reduced size [9][11] - GaN technology is crucial for fast charging in consumer electronics, efficient power systems in data centers driven by AI, and enhanced performance in electric vehicles, indicating its strategic importance in various applications [11][13] Market Outlook - The GaN market is expected to experience significant growth over the next decade, characterized by a complex interplay of cooperation and competition within the global supply chain [13][14] - China's strengths lie in its ample production capacity and comprehensive industrial layout, although it still faces challenges in high-end equipment and materials [13][14] Competitive Landscape - The competition in the GaN sector is not merely about securing orders and market share; it involves a direct contest of technological capabilities, cost efficiency, and supply chain resilience [15] - The outcome of this competition will determine which players can lead technological advancements in the future [15][16]