证券代码：603931 证券简称：格林达 公告编号：2025-054 杭州格林达电子材料股份有限公司 关于对外投资的公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述 或者重大遗漏，并对其内容的真实性、准确性和完整性承担个别及连带责任。 鉴于本次投资事项是参与认购沐曦股份首次公开发行战略配售，属于临时 性商业秘密，根据《上海证券交易所股票上市规则》、《上海证券交易所上市 公司自律监管指引第 2号——信息披露事务管理》以及《杭州格林达电子材料股 份有限公司信息披露暂缓与豁免管理制度》等有关规定，并经董事会秘书、董事 长签字确认，公司已就本次对外投资事项暂缓披露，与沐曦股份首次公开发行事 项于 2025 年 12 月 4 日同步公开披露，暂缓披露期间公司股票的交易亦未发生异 常波动的情形。 重要内容提示： 投资标的名称：沐曦集成电路（上海）股份有限公司（以下简称"沐曦 股份"） 投资金额：以自有资金出资，投资金额为 79,999,906.14 元 交易实施履行的审批程序：本次对外投资事项在公司董事会决策权限 内，无需提交股东会审议 其它需要提醒投资者重点关注的风险事项：沐曦股份面临复杂的市场 ...

格林达公告，公司作为战略投资者以自有资金7999.99万元参与认购沐曦集成电路（上海）股份有限公 司首次公开发行战略配售的股票，获配股份数占首次公开发行股份总量的1.91%，占首次公开发行后总 股本4亿股的0.19%。本次认购获配股份数为76.44万股，发行价格为104.66元/股。 ...

Core Insights - The electronic chemicals sector experienced a 2.55% increase on December 1, with Rongda Photoelectric leading the gains [1] - The Shanghai Composite Index closed at 3914.01, up 0.65%, while the Shenzhen Component Index closed at 13146.72, up 1.25% [1] Stock Performance - Rongda Photoelectric (300576) closed at 40.99, up 17.86%, with a trading volume of 671,900 shares and a transaction value of 2.677 billion [1] - Nanda Optoelectronics (300346) closed at 41.50, up 8.84%, with a trading volume of 857,200 shares and a transaction value of 3.463 billion [1] - Jingrui Electric Materials (300655) closed at 16.47, up 7.02%, with a trading volume of 1,377,700 shares and a transaction value of 2.198 billion [1] - Other notable performers include Grinda (603931) up 6.34% and Lier Technology (688683) up 5.16% [1] Capital Flow - The electronic chemicals sector saw a net inflow of 1.209 billion from institutional investors, while retail investors experienced a net outflow of 755 million [2][3] - Major stocks like Rongda Photoelectric and Nanda Optoelectronics attracted significant institutional investment, with net inflows of 465 million and 255 million respectively [3]

格林达股价创出历史新高，截至13:56，该股上涨6.31%，股价报36.38元，成交量1506.04万股，成交金 额5.26亿元，换手率7.55%，该股最新A股总市值达72.60亿元，该股A股流通市值72.60亿元。 证券时报·数据宝统计显示，格林达所属的电子行业，目前整体涨幅为1.00%，行业内，目前股价上涨的 有364只，涨停的有容大感光、科翔股份等11只。股价下跌的有118只，跌幅居前的有三孚新科、百邦科 技、东芯股份等，跌幅分别为9.63%、7.57%、7.35%。 公司发布的三季报数据显示，前三季度公司共实现营业收入4.81亿元，同比下降5.92%，实现净利润 9229.24万元，同比下降16.81%，基本每股收益为0.4600元，加权平均净资产收益率5.78%。 ...

Core Viewpoint - The A-share market's photoresist sector experienced a significant surge due to related rumors, indicating heightened investor interest and potential market movements in this industry [1] Company Summaries - Rongda Photoelectric saw its stock price increase by over 16% [1] - Guofeng New Materials and Xingye Co. both hit the 10% daily limit up [1] - Nanda Optoelectronics' stock rose by more than 9% [1] - Other companies such as Tongcheng New Materials, Jiaxian Co., Glinda, Aerospace Zhiguang, Gaomeng New Materials, and Jingsai Technology all experienced stock increases of over 6% [1] - Wavelength Optoelectronics, New Lai Materials, and Woge Optoelectronics saw their stock prices rise by over 5% [1]

Core Viewpoint - The article emphasizes the critical role of developing solutions in the semiconductor manufacturing process, particularly focusing on the domestic production of developer solutions in China, represented by the company Grinda (603931.SH) [3]. Group 1: Importance of Developer Solutions - Developer solutions are essential auxiliary materials in the photolithography process, responsible for dissolving unwanted photoresist to achieve precise lithographic patterns [3]. - The purity level of developer solutions directly impacts the quality of the photolithography process, highlighting their significance in semiconductor manufacturing [3]. Group 2: Domestic Market Context - The article notes that the domestic replacement process for developer solutions in the context of semiconductor localization has received little attention, despite the ongoing trend towards domestic production in the industry [3]. - Grinda is identified as the only G5-level developer solution manufacturer in China, indicating its unique position in the market [1].

Core Viewpoint - The electronic chemicals sector continues to strengthen, with notable stock performance from companies such as Grinda, which hit the daily limit, alongside South University of Science and Technology, Jingrui Electric Materials, Dinglong Shares, Rongda Photosensitive, Shanghai Xinyang, and Guanghua Technology, all of which experienced upward movement in their stock prices [1] Group 1 - The electronic chemicals sector is showing robust growth [1] - Grinda's stock reached the daily limit, indicating strong investor interest [1] - Other companies in the sector, including South University of Science and Technology and Jingrui Electric Materials, also saw stock price increases [1]

Market Overview - The electronic chemicals sector increased by 0.67% on November 17, with Siquan New Materials leading the gains [1] - The Shanghai Composite Index closed at 3972.03, down 0.46%, while the Shenzhen Component Index closed at 13202.0, down 0.11% [1] Stock Performance - Siquan New Materials (301489) closed at 184.89, up 4.89% with a trading volume of 46,100 shares and a transaction value of 849 million [1] - Other notable performers included: - Glinda (603931) at 30.98, up 3.96% with a trading volume of 172,300 shares [1] - Guanghua Technology (002741) at 23.88, up 3.06% with a trading volume of 665,400 shares [1] - National Ceramic Materials (300285) at 25.21, up 2.86% with a trading volume of 417,400 shares [1] Capital Flow - The electronic chemicals sector saw a net inflow of 598 million from institutional investors, while retail investors experienced a net outflow of 624 million [2][3] - Key stocks with significant capital flow included: - Guanghua Technology with a net inflow of 159 million from institutional investors [3] - Siquan New Materials with a net inflow of 124 million from institutional investors [3] - Glinda with a net inflow of 109 million from institutional investors [3]

Core Insights - The electronic chemicals sector experienced a 2.02% increase on November 6, with Grinda leading the gains [1] - The Shanghai Composite Index closed at 4007.76, up 0.97%, while the Shenzhen Component Index closed at 13452.42, up 1.73% [1] Stock Performance - Grinda (603931) closed at 31.85, up 10.02% with a trading volume of 130,800 shares and a turnover of 410 million yuan [1] - Xingfu Electronics (688545) closed at 36.37, up 5.18% with a trading volume of 70,900 shares and a turnover of 255 million yuan [1] - Guanghua Technology (002741) closed at 21.86, up 5.00% with a trading volume of 328,200 shares and a turnover of 708 million yuan [1] - Anji Technology (6108899) closed at 200.80, up 4.33% with a trading volume of 39,200 shares and a turnover of 775 million yuan [1] - Hongchang Electronics (603002) closed at 7.53, up 3.86% with a trading volume of 548,300 shares and a turnover of 414 million yuan [1] Capital Flow - The electronic chemicals sector saw a net inflow of 721 million yuan from institutional investors, while retail investors experienced a net outflow of 749 million yuan [2][3] - Grinda had a net inflow of 142 million yuan from institutional investors, but a net outflow of 83 million yuan from retail investors [3] - The overall capital flow indicates a strong interest from institutional investors despite the outflow from retail investors [2][3]

Core Viewpoint - Grinda, a leading company in the ultra-pure wet electronic chemicals sector in China, has shown significant revenue and profit figures but remains below industry leaders in both metrics [1][2]. Group 1: Company Overview - Grinda was established on October 17, 2001, and went public on August 19, 2020, on the Shanghai Stock Exchange, with its headquarters in Hangzhou, Zhejiang Province [1]. - The company specializes in the research, production, and sales of ultra-pure wet electronic chemicals, holding a full industry chain advantage [1]. Group 2: Financial Performance - For Q3 2025, Grinda reported revenue of 481 million yuan, ranking 29th out of 35 in the industry, significantly lower than the top competitor, Xilong Science, which achieved 5.324 billion yuan [2]. - The main business segment, wet electronic chemicals, generated 309 million yuan, accounting for 98.16% of total revenue, while by-products contributed 5.25 million yuan (1.66%) and other revenues 562,500 yuan (0.18%) [2]. - The net profit for the same period was 92.3 million yuan, placing Grinda 19th in the industry, again trailing behind leaders like Anji Technology and Dinglong Co., which reported 608 million yuan and 585 million yuan, respectively [2]. Group 3: Financial Ratios - As of Q3 2025, Grinda's debt-to-asset ratio was 8.31%, down from 9.96% year-on-year and significantly lower than the industry average of 28.64%, indicating strong debt repayment capability [3]. - The gross profit margin for Q3 2025 was 30.72%, a decrease from 34.87% year-on-year, and slightly below the industry average of 31.60% [3]. Group 4: Management and Shareholder Information - The total compensation for General Manager Fang Weihua was 1.0482 million yuan in 2024, a decrease of 81,700 yuan from 2023 [4]. - As of September 30, 2025, the number of A-share shareholders increased by 19.04% to 17,400, while the average number of circulating A-shares held per shareholder decreased by 16.00% to 11,500 [5].