Core Viewpoint - Xiamen Youxun Chip Co., Ltd. (688807.SH) has officially listed on the Shanghai Stock Exchange's Sci-Tech Innovation Board, marking a significant step in China's optical communication core device sector [1] Group 1: Company Overview - Youxun Chip focuses on the research, design, and sales of optical communication chips and is recognized as a "national champion enterprise" in China's optical communication field [1] - The company has achieved a stock price increase of 355% since its IPO, with an issuance price of 51.66 yuan per share and a price-to-earnings ratio of 60.27 [1] Group 2: Market Demand and Growth - The demand for optical communication chips is experiencing explosive growth due to new infrastructure needs such as 5G-A, F5G, and AI computing centers [1] - Youxun Chip's revenue has grown from 339 million yuan in 2022 to 411 million yuan in 2024, with a revenue of 238 million yuan achieved in the first half of 2025, indicating steady business expansion [1] Group 3: Technological Capabilities - The company has developed deep sub-micron CMOS and Ge-Si Bi-CMOS dual-process technology, enabling it to design ultra-high-speed optical communication chips ranging from single-channel 155 Mbps to multi-channel 800 Gbps [2] - Youxun Chip offers customized solutions based on its deep understanding of core optical communication chip products, including laser driver chips, transimpedance amplifier chips, and more [2] Group 4: Market Position and Future Prospects - Youxun Chip's customer base includes major global optical module manufacturers, with increasing penetration of domestic chips in the high-end market [3] - The company holds the leading market share in China and the second position globally for products with speeds of 10 Gbps and below, with rapid growth in sales of products with speeds of 25 Gbps and above [3] - The IPO raised 1.033 billion yuan, which will be invested in the development and industrialization of next-generation access network and high-speed data center chips, as well as projects for automotive chips and 800G optical communication chips [3]

本次发行股票拟在科创板上市，科创板公司具有研发投入大、经营风险高、业绩 不稳定、退市风险高等特点，投资者面临较大的市场风险。投资者应充分了解科 创板的投资风险及本公司所披露的风险因素，审慎作出投资决定。 厦门优迅芯片股份有限公司 XIAMEN UX IC CO., LTD. （厦门市软件园观日路 52 号 402） 首次公开发行股票并在科创板上市 招股说明书 保荐人（主承销商） （广东省深圳市福田区中心三路 8 号卓越时代广场（二期）北座） 厦门优迅芯片股份有限公司 招股说明书 声 明 中国证监会、交易所对本次发行所作的任何决定或意见，均不表明其对发行 人注册申请文件及所披露信息的真实性、准确性、完整性作出保证，也不表明其 对发行人的盈利能力、投资价值或者对投资者的收益作出实质性判断或保证。任 何与之相反的声明均属虚假不实陈述。 根据《证券法》规定，股票依法发行后，发行人经营与收益的变化，由发行 人自行负责；投资者自主判断发行人的投资价值，自主作出投资决策，自行承担 股票依法发行后因发行人经营与收益变化或者股票价格变动引致的投资风险。 1-1-1 厦门优迅芯片股份有限公司 招股说明书 致投资者声明 一、发行人 ...

本次发行股票拟在科创板上市，科创板公司具有研发投入大、经营风险高、业绩 不稳定、退市风险高等特点，投资者面临较大的市场风险。投资者应充分了解科 创板的投资风险及本公司所披露的风险因素，审慎作出投资决定。 首次公开发行股票并在科创板上市 招股意向书 保荐人（主承销商） 厦门优迅芯片股份有限公司 XIAMEN UX IC CO., LTD. （广东省深圳市福田区中心三路 8 号卓越时代广场（二期）北座） （厦门市软件园观日路 52 号 402） 厦门优迅芯片股份有限公司 招股意向书 声 明 中国证监会、交易所对本次发行所作的任何决定或意见，均不表明其对发行 人注册申请文件及所披露信息的真实性、准确性、完整性作出保证，也不表明其 对发行人的盈利能力、投资价值或者对投资者的收益作出实质性判断或保证。任 何与之相反的声明均属虚假不实陈述。 根据《证券法》规定，股票依法发行后，发行人经营与收益的变化，由发行 人自行负责；投资者自主判断发行人的投资价值，自主作出投资决策，自行承担 股票依法发行后因发行人经营与收益变化或者股票价格变动引致的投资风险。 1-1-1 厦门优迅芯片股份有限公司 招股意向书 致投资者声明 一、发行人 ...

Core Viewpoint - The initial public offering (IPO) application of Xiamen Youxun Chip Co., Ltd. has been postponed for review, raising concerns in the market regarding the company's declining gross margin and the sustainability of its operating performance [2][3][9]. Group 1: Company Overview - Youxun Chip, established in 2003, is a leading domestic player in optical communication chips, focusing on the research, design, and sales of optical communication front-end transceiver chips [6]. - The company's main products include laser driver chips (LDD), transimpedance amplifier chips (TIA), limiting amplifier chips (LA), and integrated optical communication transceiver chips, which provide a complete solution for efficient and reliable optoelectronic signal conversion, amplification, and processing [6]. Group 2: Financial Performance - The company's main business compound annual growth rate (CAGR) over the last three years is 10.26%, but it has shown significant volatility [9]. - In 2022, Youxun Chip's revenue was 339 million yuan, which decreased by 7.67% to 313 million yuan in 2023, but is projected to increase by 31.31% to 411 million yuan in 2024 [9]. - The gross margin has been declining, with figures of 55.26%, 49.14%, 46.75%, and 43.48% for the years 2022 to 2025 (first half) respectively [10]. Group 3: IPO Review and Concerns - The Shanghai Stock Exchange announced that the review of Youxun Chip's IPO application was postponed due to concerns about the continuous decline in gross margin and the sustainability of its operating performance [3][9]. - Key questions raised during the review include the company's product structure, pricing power, market expansion, and the stability of its actual controller's control rights [3][6]. Group 4: Funding and Future Projects - Youxun Chip plans to raise 809 million yuan to enhance its competitiveness, with funds allocated to projects such as the development and industrialization of next-generation access network and high-speed data center chips, automotive chips, and 800G and above optical communication chips [13][16]. - The company aims to address the core demands of global infrastructure upgrades and keep pace with industry trends through these projects [16][17].

Core Viewpoint - The article discusses the IPO process of Youxun Co., Ltd., highlighting regulatory concerns regarding its market potential, sustainability of performance growth, and the rationality of fundraising projects, leading to the postponement of its IPO review by the Shanghai Stock Exchange [1][2]. Company Overview - Youxun Co., Ltd. focuses on the research, design, and sales of optical communication front-end transceiver chips, establishing itself as a leading enterprise in China's optical communication chip sector [6]. - The company aims to raise 8.09 billion yuan through its IPO, which has been postponed, marking it as the third company to face such a delay in 2025 [1][2]. Financial Performance - The company reported revenues of 3.39 billion yuan, 3.13 billion yuan, and 4.11 billion yuan for the years 2022, 2023, and 2024, respectively, with net profits of 813.98 million yuan, 720.83 million yuan, and 778.66 million yuan during the same period [13]. - For the first half of 2025, Youxun achieved a revenue of 2.38 billion yuan, reflecting a year-on-year growth of 20.19% [18]. Market Position - Youxun holds the largest market share in China for products with speeds of 10Gbps and below, while its presence in the 25Gbps and above segment is still developing, with only 7% of the global market share attributed to Chinese manufacturers [6][12]. - The company has a strong competitive edge in the 10Gbps segment, with its products being recognized for their technological advancements and reliability [9][10]. Regulatory Concerns - The Shanghai Stock Exchange raised multiple inquiries regarding the sustainability of Youxun's performance, the stability of its controlling rights, and the accounting treatment of share-based payments [3][4][5]. - The company has been asked to clarify its product structure and market competition, particularly in the context of its reliance on a limited range of products [8][11]. Fundraising and Investment Plans - Initially, Youxun planned to allocate 8.89 billion yuan for various R&D and industrialization projects, but it has since canceled its plan to use part of the funds for working capital due to a decrease in its debt ratio [21][25]. - The revised fundraising plan focuses solely on R&D and industrialization projects, with a total investment of 80.91 billion yuan [26].

Group 1 - The Shanghai Stock Exchange announced that the listing review committee will hold a meeting on September 19 to review the IPO of Xiamen Youxun Chip Co., Ltd. [1] - Youxun Chip's IPO was accepted on June 26 this year, indicating a period of less than three months from acceptance to the review meeting [1] Group 2 - According to the prospectus, Youxun Chip is recognized as a "national manufacturing single champion enterprise" in the domestic optical communication field, focusing on the research, design, and sales of optical communication front-end transceiver chips [3] - The company has established a complete core technology system in the design of optical communication chips, achieving breakthroughs in key areas such as transceiver integration, high-speed modulation, and optoelectronic collaboration [3] - For the fiscal year 2024, the company's projected revenue is 410.56 million yuan, with a net profit attributable to the parent company of 68.57 million yuan [3] - The company aims to use the capital raised from the IPO to support technology research and development and industrial upgrading, consolidating its core competitiveness in the optical communication chip sector [3] - The listing is expected to help the company overcome high-end chip technology barriers, accelerate new product development and market expansion, and enhance the position of domestic chips in the global supply chain [3] - Additionally, the IPO will assist in optimizing the company's governance structure, enhancing brand influence, and laying a capital foundation for long-term development [3]