国产12英寸硅片龙头企业上市！

Core Viewpoint - The successful IPO of Xi'an Yiswei Material Technology Co., Ltd. marks a significant milestone for China's semiconductor industry, particularly in the 12-inch silicon wafer sector, showcasing the company's strong market position and growth potential [1][3]. Group 1: Company Overview - Xi'an Yiswei, founded by Wang Dongsheng, is a leading player in the 12-inch semiconductor silicon wafer market, with a total investment exceeding 20 billion yuan in its production base established in 2020 [3]. - The company went public on the Shanghai Stock Exchange's Sci-Tech Innovation Board, issuing 538 million shares at a price of 8.62 yuan per share, raising a net amount of 4.507 billion yuan for the construction of its second factory [3][4]. - On its first trading day, the stock price surged to 25.75 yuan, reflecting a 198.72% increase and a total market capitalization exceeding 103.9 billion yuan, indicating strong investor confidence [3]. Group 2: Market Position and Technology - By the end of 2024, Xi'an Yiswei is projected to become the largest 12-inch silicon wafer manufacturer in mainland China, with a global market share of approximately 7% in production capacity and 6% in monthly shipments [3]. - The company has established a comprehensive technology system covering five core processes: crystal pulling, shaping, polishing, cleaning, and epitaxy, positioning itself as a representative of "hard technology" in the domestic market [4]. - As of June 2025, Xi'an Yiswei has applied for a total of 1,843 domestic and international patents, with over 80% being invention patents, and has received authorization for 799 patents, of which more than 70% are invention patents [4].