证券日报网讯 1月7日，广信材料在互动平台回答投资者提问时表示，据了解，截至目前在PCB光刻 胶、显示光刻胶、集成电路光刻胶等传统光刻胶主流供应商仍以日韩企业为主，其中国产化率最高的 PCB光刻胶依旧有一半以上市场份额仍被日资企业占领，存在很大替代空间。经过多年的发展，公司在 光刻胶板块以PCB光刻胶为基本盘稳健增长、适时拓展光伏胶等泛半导体领域，目前已成为PCB光刻胶 领域内资头部企业、光伏胶等泛半导体领域领跑企业。随着公司龙南基地已经逐步试生产及公司产能资 产进一步优化，经营水平、研发水平、市场开拓的不断提升，将进一步支撑公司在相关领域的业务增 长。 （文章来源：证券日报） ...

证券日报网讯1月7日，广信材料（300537）在互动平台回答投资者提问时表示，公司龙南基地正按照既 定计划有序推进中，截至目前，公司已完成大部分厂房建设和设备产线布局，并有多个子项目已经开始 生产，其中子项目PCB光刻胶1.6万吨及自制树脂1.2万吨已经实现正式生产，其他子项目预计于2026年 上半年提交试生产申请。随着公司龙南基地产能进一步释放，将进一步丰富公司产品在相关领域的产业 布局，利用集中生产优势和产业链整合优势，提升公司盈利能力，增强公司核心竞争力，支持公司未来 业绩增长，促进公司长期可持续发展。 ...

Group 1 - The core viewpoint of the news is that Rongda Photoelectric experienced a significant trading activity on January 6, with a stock price increase of 2.19% and a trading volume of 1.013 billion yuan [1] - On January 6, the financing buy-in amount for Rongda Photoelectric was 142 million yuan, while the financing repayment was 150 million yuan, resulting in a net financing outflow of 7.6937 million yuan [1] - As of January 6, the total balance of margin trading for Rongda Photoelectric was 746 million yuan, with the financing balance accounting for 5.00% of the circulating market value, indicating a high level compared to the past year [1] Group 2 - As of December 31, the number of shareholders for Rongda Photoelectric was 57,100, an increase of 1.77% from the previous period, while the average circulating shares per person decreased by 1.74% to 4,076 shares [2] - For the period from January to September 2025, Rongda Photoelectric achieved an operating income of 783 million yuan, representing a year-on-year growth of 14.02%, while the net profit attributable to the parent company was 98.9097 million yuan, a decrease of 6.02% year-on-year [2] - Since its A-share listing, Rongda Photoelectric has distributed a total of 118 million yuan in dividends, with 56.6104 million yuan distributed over the past three years [2]

| 序号 | 子项目名称 | 项目明细 | 最新进展及后期计划 | | --- | --- | --- | --- | | | PCB光刻胶 | PCB外层油墨9.000t/a | 已于2024年3月获得试生产批复进行试生产,并于 2025年2月获得龙南市应急管理局批复进行正式 生产。 | | | (PCB油墨) | | | | | 16.000t/a | | 已于2025年4月取得试生产批复进行试生产,并于 | | | | PCB内层油墨7,000t/a | 2025年12月获得龙南市应急管理局批复进行正式 | | | | | 生产。 | | 2 | 自制树脂 | PCB光刻胶等成品的重要原 | 已于2025年4月取得试生产批复进行试生产,并于 2025年12月获得龙南市应急管理局批复进行正式 | | | 12.000t/a | 材料 | | | | | | 生产。 | | 3 | 除料 | UV涂料8,000t/a 水性涂料2,000t/a | 目前已通过消防验收阶段,正在进行设备调试等 | | | 15,000t/a | | 工作,预计于2026年上半年提交涂料试生产申请。 | | | | 配套材料5, ...

Core Viewpoint - The article discusses the adjustments made by Jiangsu Guangxin Photographic Materials Co., Ltd. regarding its investment project for producing electronic photosensitive materials, highlighting the challenges in the PCB photoresist market and the company's strategic responses to these challenges [1][2]. Group 1: Project Overview - The total investment for the project is 525.38 million yuan, with 140.67 million yuan planned to be raised, of which 102.83 million yuan has already been invested, indicating a progress rate of 73.11% [2]. - The project aims to achieve an annual production capacity of 50,000 tons of electronic photosensitive materials, which includes several sub-projects that are at various stages of completion [2][3]. Group 2: Sub-Project Progress - The PCB photoresist sub-project has two components: the outer layer ink (9,000 tons/year) has commenced formal production, while the inner layer ink (7,000 tons/year) is in trial production, with a deadline for completion extended to April 1, 2026 [3]. - The coating sub-project includes UV coating (8,000 tons/year) and water-based coating (2,000 tons/year), with the former having passed fire safety inspections and currently undergoing equipment adjustments, expected to apply for trial production in the first half of 2026 [3]. - The self-made resin sub-project (12,000 tons/year) is crucial for producing PCB photoresists, with trial production approval granted and an extension for completion also set for April 1, 2026 [3].

Company Overview - Company name: Shenzhen Rongda Photonics Technology Co., Ltd. - Established on June 25, 1996, and listed on December 20, 2016 - Main business involves R&D, production, and sales of electronic chemicals including PCB photoresists, display photoresists, semiconductor photoresists, and specialty inks - Revenue composition: PCB photoresists account for 99.86%, while others contribute 0.14% [1] Stock Performance - As of December 26, the stock price decreased by 2.08% to 40.46 CNY per share - Year-to-date stock price increase of 7.68%, with a 3.64% increase over the last 5 trading days, 16.33% over the last 20 days, and 0.80% over the last 60 days - Total market capitalization stands at 14.823 billion CNY [1] Financial Performance - For the period from January to September 2025, the company achieved operating revenue of 783 million CNY, representing a year-on-year growth of 14.02% - Net profit attributable to shareholders was approximately 98.91 million CNY, showing a year-on-year decrease of 6.02% [2] Shareholder Information - As of December 19, the number of shareholders decreased by 6.52% to 56,100 - Average circulating shares per person increased by 6.98% to 4,148 shares [2] Dividend Distribution - Cumulative cash distribution since the A-share listing amounts to 118 million CNY - Over the past three years, cumulative cash distribution reached 56.61 million CNY [3] Institutional Holdings - As of September 30, 2025, Hong Kong Central Clearing Limited is the eighth largest circulating shareholder with 3.1701 million shares, an increase of 1.5674 million shares from the previous period - Southern CSI 1000 ETF (512100) has exited the list of the top ten circulating shareholders [3]

容大感光今年以来股价涨7.94%，近5个交易日跌0.88%，近20日涨14.32%，近60日涨6.29%。 资料显示，深圳市容大感光科技股份有限公司位于广东省深圳市宝安区福海街道新田社区新田大道71-5 号301(1-3层)，成立日期1996年6月25日，上市日期2016年12月20日，公司主营业务涉及PCB光刻胶、显 示用光刻胶、半导体用光刻胶、特种油墨等电子化学品的研发、生产和销售。主营业务收入构成为： PCB光刻胶99.86%，其他(补充)0.14%。 容大感光所属申万行业为：电子-电子化学品Ⅱ-电子化学品Ⅲ。所属概念板块包括：光刻机、送转填 权、5G、光刻胶、柔性电子等。 12月18日，容大感光盘中下跌2.01%，截至11:03，报40.56元/股，成交4.50亿元，换手率4.71%，总市值 148.60亿元。 机构持仓方面，截止2025年9月30日，容大感光十大流通股东中，香港中央结算有限公司位居第八大流 通股东，持股317.01万股，相比上期增加156.74万股。南方中证1000ETF（512100）退出十大流通股东 之列。 资金流向方面，主力资金净流出4762.41万元，特大单买入1262.74 ...

Group 1 - In Q3 2025, a notable change occurred in the shareholder list of a domestic photoresist company, with Goldman Sachs, JPMorgan Chase, UBS, and Morgan Stanley collectively purchasing nearly 5 million shares despite the company's stock price plummeting from 30 yuan to 4.4 yuan, marking a 1700% drop in net profit in the mid-2025 report [1][3] - The foreign investment strategy reflects a significant bet on domestic substitution, as these institutions entered the top ten shareholders for the first time, with acquisition costs concentrated in the 6-7 yuan range, resulting in over 30% floating profit by early December [3][9] - The company has a total market value of 4.8 billion yuan, with its photoresist business accounting for 62% of revenue and a gross margin of 32%, despite an overall decline in performance [3] Group 2 - Photoresist is a critical consumable in semiconductor manufacturing, with the global market dominated by Japanese and American companies, which hold 87% of the market share, particularly in high-end sectors where domestic production is less than 1% for ArF photoresists and completely reliant on imports for EUV photoresists [5] - The Chinese semiconductor photoresist market is projected to reach 5.63 billion yuan in 2024, reflecting a 42.25% year-on-year growth, driven by increased demand from wafer fabs like SMIC and Huahong Group adopting domestic materials [5] - Domestic photoresist companies are advancing in production capabilities, with firms like Nanda Optoelectronics and Tongcheng New Materials achieving mass production of ArF/KrF photoresists, while others focus on specific segments like PCB photoresists [7] Group 3 - Foreign investors are betting on photoresist companies based on three clear logics: high certainty of domestic substitution due to Japanese export controls, low historical valuation with a price-to-book ratio of 1.2 compared to the industry average of 3.54, and the potential for significant performance improvement in small-cap stocks upon technological breakthroughs [9] - Similar cases have emerged where companies with traditional chemical businesses, like Xilong Science, have seen foreign investment despite poor performance, indicating a trend of foreign capital seeking opportunities in the photoresist sector [9]

Core Viewpoint - The company has established itself as a leading domestic player in the PCB photoresist market and is expanding into the photovoltaic adhesive and broader semiconductor sectors, indicating significant growth potential in the domestic semiconductor materials market [1] Group 1: Market Position and Competition - The current market for traditional photoresists, including PCB, display, and integrated circuit photoresists, is predominantly controlled by Japanese and Korean companies, with over 50% of the PCB photoresist market still held by Japanese firms, highlighting a substantial opportunity for domestic alternatives [1] - The company has achieved steady growth in the PCB photoresist segment and is strategically expanding into photovoltaic adhesives and other semiconductor-related fields [1] Group 2: Production and Development - The company’s Longnan base has begun trial production, and ongoing optimization of production capacity and assets is expected to enhance operational efficiency and market development [1] - Continuous improvements in operational and research capabilities are anticipated to further support the company's business growth in relevant sectors [1]

11月21日，容大感光盘中上涨2.00%，截至11:03，报36.19元/股，成交2.07亿元，换手率2.49%，总市值 132.59亿元。 资金流向方面，主力资金净流入527.31万元，特大单买入779.32万元，占比3.77%，卖出235.93万元，占 比1.14%；大单买入4080.20万元，占比19.71%，卖出4096.27万元，占比19.79%。 容大感光今年以来股价跌3.69%，近5个交易日涨5.36%，近20日跌1.84%，近60日跌7.68%。 资料显示，深圳市容大感光科技股份有限公司位于广东省深圳市宝安区福海街道新田社区新田大道71-5 号301(1-3层)，成立日期1996年6月25日，上市日期2016年12月20日，公司主营业务涉及PCB光刻胶、显 示用光刻胶、半导体用光刻胶、特种油墨等电子化学品的研发、生产和销售。主营业务收入构成为： PCB光刻胶99.86%，其他(补充)0.14%。 容大感光所属申万行业为：电子-电子化学品Ⅱ-电子化学品Ⅲ。所属概念板块包括：光刻机、光刻胶、 LED、半导体、芯片概念等。 截至10月31日，容大感光股东户数5.22万，较上期减少0.02%；人均流通 ...