Core Viewpoint - The company, Nanda Optoelectronics (300346.SZ), has clarified that it is currently not engaged in the production or sales of tungsten hexafluoride [1] Group 1 - The company has made a public statement on its interactive platform regarding its business activities [1]

Core Insights - The semiconductor industry is facing a significant cost increase due to a 90% price hike in hexafluorotungsten, a critical gas used in chip manufacturing, starting in 2025 [1][3] - The price of tungsten, the raw material for hexafluorotungsten, has surged approximately 95% in China, reaching 280,000 RMB per ton [3] - The supply chain is undergoing a fundamental shift, with tungsten accounting for about 60% of the cost of hexafluorotungsten, making it highly sensitive to price changes [3][10] Industry Impact - Hexafluorotungsten is essential in semiconductor manufacturing, particularly in chemical vapor deposition processes, where it deposits high-purity tungsten films on wafers [7][8] - The global semiconductor industry consumes 7,000 to 8,000 tons of hexafluorotungsten annually, highlighting its critical role in producing logic chips, DRAM, and 3D NAND flash memory [8] - China's dominance in tungsten mining, with over 80% of global production, positions it as a key player in the semiconductor supply chain [10] Company Developments - China Shipbuilding Special Gas is a leading supplier of hexafluorotungsten, with an annual capacity of 2,000 tons and a global market coverage of 70.31% [10][12] - Other Chinese companies, such as Nanda Optoelectronics and Haohua Technology, are also expanding their presence in the hexafluorotungsten market [12] - Major tungsten producers like Xiamen Tungsten and Zhangyuan Tungsten are well-positioned in the supply chain, controlling the entire process from mining to deep processing [12] Market Dynamics - The Korean government plans to subsidize domestic production of key semiconductor materials to mitigate supply chain risks starting in 2025 [12] - The semiconductor industry is cyclical, and current high demand may decrease, leading to uncertainty in tungsten prices and their impact on hexafluorotungsten [12][14] - The volatility in hexafluorotungsten prices is prompting the semiconductor industry to reassess supply chain dependencies and consider diversification strategies [14]

Core Insights - Nanda Optoelectronics (300346.SZ) reported its Q3 2025 results, revealing that 27 institutional investors hold a total of 86.582 million shares, accounting for 12.53% of the company's total equity [1] Institutional Holdings - The top ten institutional investors collectively hold 11.74% of Nanda Optoelectronics, with a decrease of 0.81 percentage points compared to the previous quarter [1] Public Fund Activity - In the current period, 15 public funds increased their holdings, with a total increase ratio of 1.29%, including funds like Guotai CSI Semiconductor Materials and Equipment Theme ETF and Harvest CSI Semiconductor Index Enhanced Initiation A [2] - Conversely, 3 public funds reduced their holdings, with a total decrease ratio of 0.71%, including funds like Guolianan Semiconductor ETF and E Fund Growth Enterprise Board ETF [2] - There were 5 new public funds disclosed in this period, while 215 public funds were not disclosed compared to the previous quarter [2] Foreign Investment - One new foreign institution, Hong Kong Central Clearing Limited, disclosed its holdings in this period [3]

Core Insights - Nanda Optoelectronics (300346.SZ) reported a revenue of 1.884 billion yuan for the first three quarters of 2025, representing a year-on-year growth of 6.83% [1] - The net profit attributable to shareholders of the listed company was 301 million yuan, showing a year-on-year increase of 13.24% [1] - The net profit attributable to shareholders after deducting non-recurring gains and losses was 229 million yuan, reflecting a year-on-year growth of 18.13% [1] - Basic earnings per share stood at 0.44 yuan [1]

Group 1 - Company Nanda Optoelectronics (SZ 300346) reported Q3 performance with revenue of approximately 1.884 billion yuan, a year-on-year increase of 6.83% [1] - The net profit attributable to shareholders was about 301 million yuan, reflecting a year-on-year growth of 13.24% [1] - Basic earnings per share reached 0.44 yuan, marking a year-on-year increase of 7.32% [1] Group 2 - As of the report, the market capitalization of Nanda Optoelectronics stands at 28.6 billion yuan [1]

Group 1 - The core point of the article is that Nanda Optoelectronics announced a provision for credit impairment losses and asset impairment losses totaling 79.2026 million yuan for the first three quarters of 2025, which will reduce the company's total profit for the same period by the same amount [1] - The company's revenue composition for the year 2024 is reported as 94.78% from optoelectronic components and 5.22% from other businesses [1] - As of the report date, Nanda Optoelectronics has a market capitalization of 28.6 billion yuan [1] Group 2 - The A-share market has surpassed 4000 points, marking a significant resurgence after a decade of stagnation, with a new "slow bull" market pattern emerging driven by technology [1]

董事会议事规则 本规则经江苏南大光电材料股份有限公司 2025 年第五次临时股东会批准后实施 江苏南大光电材料股份有限公司 | 第一章 | 总则 - | 1 | - | | --- | --- | --- | --- | | 第二章 | 董事会的组成和职权 - | 1 | - | | 第三章 | 董事长 - | 3 | - | | 第四章 | 董事会会议的召集 - | 3 | - | | 第五章 | 董事会议案 - | 4 | - | | 第六章 | 董事会会议的通知 - | 6 | - | | 第七章 | 董事会会议的召开和表决 - | 7 | - | | 第八章 | 董事会会议记录 - | 11 | - | | 第九章 | 决议执行 - | 12 | - | | 第十章 | 议事规则的修改 - | 13 | - | | 第十一章 | 附则 - | 13 | - | 江苏南大光电材料股份有限公司 董事会议事规则 第一章 总则 第一条 为明确江苏南大光电材料股份有限公司（以下简称"公司"）董事会 的职责权限，规范公司董事会的议事方式和决策程序，促使公司董事和董事会有 效地履行其职责，提高公司董事会规范运作和科 ...

江苏南大光电材料股份有限公司 董事会议事规则修订情况对照表 根据《中华人民共和国公司法》及《深圳证券交易所创业板股票上市规则》的相关内容， 结合实际情况，江苏南大光电材料股份有限公司第九届董事会第十四次会议审议通过了《关 于修订<董事会议事规则>的议案》，具体修订内容如下： 2025 年 10 月 29 日 1 江苏南大光电材料股份有限公司 董事会 | 本次修订前 | 本次修订后 | | | --- | --- | --- | | 第三条 董事会由 9 名董事组成，其中职工 | 第三条 董事会由 名董事组成，其中职 | 10 | | 代表董事 1 名，独立董事占董事会成员的比例不 | 工代表董事 1 名，独立董事占董事会成员的比例 | | | 得低于三分之一。职工代表董事由公司职工代表 | 不得低于三分之一。职工代表董事由公司职工代 | | | 大会、职工大会或者其他形式民主选举产生，非 | 表大会、职工大会或者其他形式民主选举产生， | | | 职工代表董事由股东会选举产生。 | 非职工代表董事由股东会选举产生。 | | 除上述修改外，《董事会议事规则》其他条款保持不变。 本议案经董事会审议通过后，还需经公 ...

江苏南大光电材料股份有限公司 章 程 本章程经江苏南大光电材料股份有限公司 2025 年第五次临时股东会批准后实施 1 | | | 第一章 总 则 第一条 为维护江苏南大光电材料股份有限公司（以下简称"公司"或"本公 司"）、股东、职工和债权人的合法权益，规范公司的组织和行为，根据《中华人 民共和国公司法》（以下简称《公司法》）、《中华人民共和国证券法》（以下简称《证 券法》）、《上市公司章程指引》《深圳证券交易所创业板股票上市规则》（以下简称 "《上市规则》"）《深圳证券交易所上市公司自律监管指引第 2 号——创业板上市 公司规范运作》和其他有关规定，制定本章程。 第二条 公司系依照《公司法》和其他有关规定成立的股份有限公司。 公司经江苏省人民政府《省政府关于同意设立江苏南大光电材料股份有限公 司的批复》（苏政复[2000]242 号）批准，以发起设立方式设立，统一社会信用代码 为 91320000724448484T。 第三条 公司于 2012 年 7 月 13 日经中国证券监督管理委员会（以下简称"中 国证监会"）核准，首次向社会公众发行人民币普通股 1,257 万股，于 2012 年 8 月 7 日在 ...

江苏南大光电材料股份有限公司 关于开展商品期货套期保值业务的可行性分析报告 一、开展商品期货套期保值业务的目的 （二）交易场所： 交易场所只限于境内合法运营的期货交易所。 江苏南大光电材料股份有限公司（以下简称"公司"）氟类电子特气产品的主要 原材料镍的价格受市场波动影响明显，为降低原材料价格波动给公司带来的经营风险， 保持公司经营业绩持续、稳定，公司拟利用期货工具的套期保值功能，根据生产经营 计划择机开展期货套期保值业务。 本次开展商品期货套期保值业务的交易品种为与公司生产经营相关的镍期货品 种，进行套期保值的数量原则上不得超过实际生产经营计划确定的现货交易数量。 二、开展商品期货套期保值业务的基本情况 公司董事会授权经营管理层开展商品期货套期保值业务，并按照公司制定的《期 货套期保值业务管理制度》相关规定及流程，进行套期保值业务操作及管理。 （一）交易品种 公司开展商品期货套期保值业务的期货品种仅限于与公司生产经营有直接关系 的镍期货品种。 公司开展套期保值业务不以逐利为目的，主要为有效降低原材料市场价格剧烈波 动对公司经营带来的影响，但同时也会存在一定的风险，具体如下： （三）资金额度 公司根据生产经营 ...