（文章来源：每日经济新闻） 三孚股份（603938.SH）9月26日在投资者互动平台表示，公司电子级三氯氢硅产品下游主要应用于6-8- 12寸硅外延片、碳化硅外延片行业，目前公司已实现向下游客户的稳定批量供货。 每经AI快讯，有投资者在投资者互动平台提问：请问贵司12英寸硅片应用领域？是否通过客户认证？ 已经开始销售了吗？ ...

Core Viewpoint - The semiconductor-grade chlorosilane industry is crucial for the semiconductor manufacturing process, providing high-purity silicon materials essential for chip performance and reliability [3][7]. Industry Development Background - The semiconductor industry is a core sector of modern technology, with increasing demand for semiconductor chips driven by the miniaturization and high performance of electronic products [3]. - Chlorosilane has become increasingly important as a key raw material in semiconductor manufacturing, ensuring the purity and reliability of silicon materials [3]. Development History - The chlorosilane industry has evolved through several stages: initial exploration in the mid-20th century, significant technological advancements from the 1970s to the 1990s, and maturation in the 21st century with optimized production processes and increased competition [6]. Development Trends - **Purity Enhancement Technologies**: Continuous innovation in purification technologies is expected to meet the high purity requirements of semiconductor manufacturing [5]. - **Production Process Optimization**: Emphasis on energy-saving production processes, including improved reaction equipment and continuous production methods, will enhance efficiency and reduce costs [5]. - **New Product Development**: Development of new chlorosilane products to meet evolving semiconductor technology requirements, including low-toxicity and low-volatility options [5]. - **Collaborative Innovation**: Strengthening partnerships with downstream semiconductor manufacturers to develop suitable chlorosilane products for advanced manufacturing processes [5]. Global Market Size Analysis and Forecast - The global semiconductor-grade chlorosilane market is projected to reach approximately $667.49 million in 2024 and $1,261.73 million by 2031, with a compound annual growth rate (CAGR) of 7.41% from 2025 to 2031 [8]. - The Chinese market is expected to grow significantly, with a projected market size of $138.70 million in 2024, increasing to $333.82 million by 2031, capturing 26.46% of global revenue [11]. Consumption and Production Insights - Taiwan is currently the largest consumer market for semiconductor-grade chlorosilane, followed by South Korea and mainland China [12]. - Europe and mainland China are key production regions, with mainland China expected to see the fastest growth, reaching a market share of 40.25% by 2031 [14]. Major Players in the Market - Key global producers of semiconductor-grade chlorosilane include Wacker, Air Liquide, Shin-Etsu, Tokuyama, and others, with a competitive landscape characterized by technological advancements and market share dynamics [15]. Product Type Distribution - The market is primarily segmented into dichlorodihydrosilane, trichlorosilane, tetrachlorosilane, hexachlorosilane, and others, with trichlorosilane accounting for approximately 41.78% of global revenue in 2024 [18]. Domestic Market Dynamics - Chinese domestic producers are increasingly penetrating the market, with companies like Sanfu Silicon achieving quality benchmarks comparable to international standards, thus facilitating the shift towards domestic product substitution [21][22].