Investment Rating - The investment rating for the industry is "Overweight" indicating an expectation for the industry to outperform the overall market performance [74]. Core Insights - The report highlights significant breakthroughs in quantum key distribution networks, with the successful construction of the world's first large-scale quantum key distribution network based on integrated optical quantum chips, supporting 20 chip users and a networking capability of up to 3700 kilometers [13][18]. - Fujida (920640.BJ) is identified as a representative company in the quantum industry chain, having made early investments in quantum technologies and achieving key technical breakthroughs in low-temperature superconducting RF cables, which are essential for stable signal transmission in quantum computing applications [3][25]. - The report notes that Fujida's revenue for the first three quarters of 2025 reached 652 million yuan, a year-on-year increase of 16.62%, with a net profit of 55.93 million yuan, reflecting a growth of 55.38% [30][28]. Summary by Sections Quantum Key Distribution Breakthroughs - The report discusses the advancements in quantum key distribution, emphasizing the development of a scalable quantum relay module that enables long-distance quantum networks and the successful transmission of device-independent quantum key distribution (DI-QKD) over distances exceeding 100 kilometers [18][21]. Industry Performance - The information technology sector experienced an average weekly increase of 1.68%, with the median price-to-earnings (P/E) ratio dropping to 74.1X [4][31]. - The smart manufacturing sector saw its median P/E ratio rise to 42.5X, indicating positive market sentiment [47][54]. Company Announcements - Fujida's core products are being utilized in superconducting quantum computer projects across domestic research institutions, with current operations focused on small-batch supply, contributing to a growing revenue stream [3][25]. - The report also includes performance forecasts for various companies, with notable expected revenue growth for companies like JinHao Medical and North Mining Testing [68][69].
北交所策略专题报告：量子密钥分发网络等方向突破，富士达低温超导射频缆小批量供货