答：公司目前已明确半导体创新材料为核心发展方向，同时耗材业务作 为稳定的现金流支撑，仍将维持行业领先地位。耗材业务的全产业链布局（从 彩色聚合碳粉、显影辊等上游原料到硒鼓、墨盒下游终端产品），为公司积 累了成熟的有机合成、高分子聚合、规模化生产管理及客户服务经验，这些 能力已成功复用于半导体材料业务的产业化推进。2025 年前三季度打印复 印通用耗材业务实现 11.53 亿元营收，经营现金流稳定，为半导体业务的研 发投入和产能建设提供了坚实保障。 问 4：截至 2025 年 6 月 30 日，公司已获授权专利 1052 项，拥有七大 核心技术平台。请问公司如何构建专利壁垒以防范行业竞争？这些技术平台 的协同效应在新产品研发中如何体现？ 答：公司高度重视知识产权保护，已构建起覆盖"核心原料-产品配方- 生产工艺-应用方案"的全链条专利体系，1052 项授权专利中，发明专利占 比超 37%。我们通过专利布局与技术秘密相结合的方式，形成了难以复制的 技术壁垒，同时持续完善专利数据库建设，积极布局 CMP 抛光垫、抛光液、 柔性显示 PSPI 等主要产品的核心专利，持续加大各类新产品在海内外的不 侵权分析及风险排查， ...

证券时报·数据宝统计显示，鼎龙股份所属的电子行业，目前整体跌幅为2.35%，行业内，目前股价上涨 的有117只，涨幅居前的有泓禧科技、艾森股份、臻镭科技等，涨幅分别为30.00%、20.00%、10.17%。 股价下跌的有371只，跌幅居前的有芯原股份、腾景科技、富信科技等，跌幅分别为10.86%、9.68%、 9.15%。 两融数据显示，该股最新（12月12日）两融余额为8.50亿元，其中，融资余额为8.45亿元，近10日增加 2364.81万元，环比增长2.88%。 鼎龙股份股价创出历史新高，截至14:08，该股上涨3.51%，股价报38.66元，成交量2623.11万股，成交 金额9.97亿元，换手率3.56%，该股最新A股总市值达366.19亿元，该股A股流通市值284.86亿元。 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26.98亿元，同比增长11.23%，实现净利润 5.19亿元，同比增长38.02%，基本每股收益为0.5500元，加权平均净资产收益率10.80%。（数据宝） （文章来源：证券时报网） ...

Core Insights - The chemical industry report indicates a mixed performance in chemical product prices, with 42 products increasing in price, 37 decreasing, and 21 remaining stable during the week of December 8-14 [1][2] - The report suggests focusing on undervalued leading companies, the impact of "anti-involution" on supply in related sub-industries, and the importance of self-sufficiency in electronic materials and certain new energy materials amid price increases [1][6] Industry Dynamics - In the week of December 8-14, 47% of tracked chemical products saw a month-on-month price increase, while 44% experienced a decrease, and 9% remained unchanged [2] - The top price increases were noted in nitric acid, sulfuric acid, raw salt, bisphenol A, and TDI, while the largest declines were in PVA, LLDPE, trichloroethylene, and NYMEX natural gas [2] Oil Market Overview - International oil prices fell, with WTI crude oil futures closing at $57.44 per barrel (down 2.45%) and Brent crude at $61.12 per barrel (down 2.19%) [3] - The U.S. oil production averaged 13.853 million barrels per day, an increase of 38,000 barrels from the previous week and 222,000 barrels from the same period last year [3] - U.S. oil demand rose to an average of 21.082 million barrels per day, with gasoline demand increasing to 8.456 million barrels per day [3] TDI Market Analysis - TDI prices increased to an average of 14,713 yuan/ton, up 2.49% week-on-week and 5.51% month-on-month [4] - TDI production decreased, with an overall operating rate of approximately 58.55%, and various factories experiencing operational issues [4] - Average costs for TDI were 11,819 yuan/ton, down 0.92% week-on-week, while average gross profit rose by 31.79% week-on-week [4] Methionine Market Analysis - Methionine prices decreased to an average of 17,900 yuan/ton, down 2.45% week-on-week and 9.14% month-on-month [5] - The production remained stable at 18,350 tons, with an operating rate of 89.42% [5] - The cost of methionine was 13,853.73 yuan/ton, with a gross profit margin of 23.67% [5] Valuation Metrics - As of December 12, the TTM price-to-earnings ratio for the SW basic chemical sector was 24.14, and the price-to-book ratio was 2.19 [6] - The SW oil and petrochemical sector had a TTM price-to-earnings ratio of 12.85 and a price-to-book ratio of 1.24 [6] Investment Recommendations - The report recommends focusing on undervalued leading companies, sectors benefiting from policy support, and emerging fields such as semiconductor materials and new energy materials [6] - Specific companies highlighted for investment include Wanhua Chemical, Hualu Hengsheng, and others [6][7]

Core Viewpoint - The article discusses the rapid growth and investment opportunities in the advanced packaging materials sector, highlighting the potential for domestic companies to replace foreign imports in critical areas of technology [7][8]. Market Overview - The global market for advanced packaging materials is projected to reach $2.032 billion by 2028, with the Chinese market expected to grow to 9.67 billion yuan by 2025 [8]. - Specific materials such as PSPI and Al-X photoresist are highlighted, with PSPI's market size in China estimated at 7.12 billion yuan in 2023 [8]. Investment Opportunities - The article identifies 14 key advanced packaging materials that are critical for the semiconductor industry, emphasizing the potential for domestic companies to capture market share from established foreign players [7][8]. - Companies like 鼎龙股份, 国风新材, and 三月科 are mentioned as potential leaders in the domestic market for advanced packaging materials [8]. Growth Projections - The market for conductive adhesives is expected to reach 3 billion yuan by 2026, while the chip bonding materials market is projected to grow from approximately $4.85 billion in 2023 to $6.84 billion by 2029 [8]. - The epoxy encapsulation materials market is anticipated to grow to $9.9 billion by 2027, indicating strong demand in the sector [8]. Competitive Landscape - The article outlines the competitive landscape, noting that foreign companies like Fujifilm, Toray, and Dow are currently dominant in various segments, but domestic firms are rapidly advancing [8]. - The need for innovation and investment in R&D is emphasized for domestic companies to compete effectively against established international players [8].

Company Overview - Hubei Dinglong Holdings Co., Ltd. is a leading platform company in the field of core innovative materials, focusing on two main business segments: semiconductor materials and general printing consumables [2][3]. - The company emphasizes semiconductor innovation materials, covering CMP process materials, photoresists, and advanced packaging materials, establishing itself as a domestic leader in these areas [2][3]. Polishing Liquid Business - The company has achieved significant breakthroughs in polishing liquid technology, including a comprehensive product layout covering dielectric, metal, and polysilicon layers, with several high-barrier products already developed [3][4]. - R&D investment for the first three quarters of 2025 reached CNY 389 million, primarily directed towards semiconductor segments, ensuring robust funding for technological innovation [4][10]. - The polishing liquid products have gained recognition from major domestic wafer manufacturers, with successful orders for combined polishing and cleaning liquid solutions [4][5]. Advanced Photoresist Technology - The company has over 20 years of experience in the import substitution of key materials, establishing a strong technical barrier in high-end photoresist production [5][6]. - It has developed nearly 30 types of high-end photoresists, achieving industry-leading technical specifications and ensuring a stable supply of core raw materials through independent development [6][7]. OLED Display Materials - The core products for OLED display materials, such as yellow polyimide slurry (YPI) and photosensitive polyimide slurry (PSPI), have achieved stable supply and established a leading position in the domestic market [8][9]. - The PSPI product line has a production capacity of 1,000 tons per year, with ongoing development of new high-end display materials [8][9]. Future Product Expansion - The company plans to leverage its seven core technology platforms and four synchronization mechanisms to ensure smooth transitions from R&D to mass production in new product areas [9][10]. - Cumulative R&D investment over the past three years exceeds CNY 1.1 billion, maintaining a ratio of approximately 14% of revenue, which supports new technology development [10].

（文章来源：证券日报） 证券日报网讯 12月12日晚间，鼎龙股份发布公告称，公司于近日收到本公司控股股东、共同实际控制 人之一——朱双全先生的函告，获悉朱双全先生所持有本公司的部分股份办理了质押延期购回的业务， 本次质押数量为2，400，000股。 ...

Core Insights - The chemical industry is entering a favorable phase driven by demand, value, and supply dynamics [5][6][7] - Global supply constraints and the exit of European capacities are expected to enhance the market environment for the chemical sector [7] Demand Drivers - Key opportunities identified in various sectors include: - Gas turbine upstream: companies like Zhenhua Co., Yingliu Co., Longda Co., and Wanze Co. [5] - Refrigerants and fluorinated liquids: companies such as Juhua Co., New Zhoubang, and Runhe Materials [5] - Energy storage supply chain: including Chuanheng Co., Xingfa Group, Yuntianhua, Batian Co., and others [5] - Semiconductor materials: companies like Yanggu Huatai, Wanrun Co., Dinglong Co., and others [5] Value Drivers - Potential for increased dividend yields in sectors such as: - Coal chemical: Hualu Hengsheng, Luxi Chemical, and Baofeng Energy [6] - Oil refining: Hengli Petrochemical, Satellite Chemical, and Sinopec [6] - Phosphate fertilizers: Yuntianhua, Yuntu Holdings, and others [6] Supply Drivers - Domestic anti-involution policies and the exit of European production capacities are expected to support the chemical industry: - PTA and polyester filament: companies like Xin Fengming and Tongkun Co. [7] - Tire manufacturing: including Sailun Tire, Zhongce Rubber, and others [7] Key Companies and Profit Forecasts - Selected companies with profit forecasts include: - Zhenhua Co. (Net profit forecast for 2025: 6.04 billion, PE: 21.8) [8] - Yingliu Co. (Net profit forecast for 2025: 4.08 billion, PE: 42.7) [8] - Longda Co. (Net profit forecast for 2025: 1.06 billion, PE: 34.9) [8] - Wanze Co. (Net profit forecast for 2025: 2.37 billion, PE: 32.9) [8] - Juhua Co. (Net profit forecast for 2025: 48.14 billion, PE: 24.4) [8] Industry Cycle Insights - The chemical industry is expected to enter a new cycle, with demand recovery and supply-side reforms driving growth [14][21] - The chemical price index has shown signs of recovery, indicating a potential upturn in the market [20][21]

Company Information - Dinglong Co., Ltd. (SZ 300054) announced that as of the date of the announcement, Zhu Shuangquan has pledged a total of 22.88 million shares, accounting for 16.43% of his holdings. Zhu Shunquan has pledged a total of 3.8 million shares, accounting for 2.75% of his holdings [1] - As of the report date, Dinglong Co., Ltd. has a market capitalization of 35.4 billion yuan [1] Industry Overview - For the year 2024, Dinglong Co., Ltd.'s revenue composition is projected to be 99.2% from the optoelectronic materials industry, with other businesses contributing 0.8% [1]

证券代码：300054 证券简称：鼎龙股份 公告编号：2025-090 债券代码：123255 债券简称：鼎龙转债 湖北鼎龙控股股份有限公司（以下简称"公司"）于近日收到本公司控股股 东、共同实际控制人之一--朱双全先生的函告，获悉朱双全先生所持有本公司的 部分股份办理了质押延期购回的业务，具体事项如下： 备注：1、截至 2025 年 12 月 10 日，公司 2024 年股票期权激励计划第一个行权期可行权的 9,775,200 股已 行权 8,905,942 股；截至 2025 年 12 月 11 日，累计已有 1,738 张"鼎龙转债"转为公司普通股，累计转股 数 6,040 股。因此，截至 2025 年 12 月 11 日，公司总股本由 938,282,591 股变更为 947,194,573 股。（同下 表） 2、本次部分股份质押延期购回，不涉及新增融资安排。 股东 名称 是否 为控 股股 东或 第一 大股 东及 其一 致行 动人 本次 质押 数量 （股） 占其 所持 股份 比例 占公 司总 股本 比例 是否为限 售股（如 是，注明 限售类 型） 是否 为补 充质 押 质押 起始 日 质押 到期 日 ...

证券代码：300054 证券简称：鼎龙股份 公告编号：2025-089 债券代码：123255 债券简称：鼎龙转债 3、回售价格：100.133 元/张（含息、税） 4、回售申报期：2025 年 12 月 1 日至 2025 年 12 月 5 日 5、回售有效申报数量：20 张 6、回售金额：2,002.66 元（含息、税） 7、发行人资金到账日：2025 年 12 月 10 日 湖北鼎龙控股股份有限公司 关于鼎龙转债回售结果的公告 本公司及董事会全体成员保证信息披露的内容真实、准确和完 整，没有虚假记载、误导性陈述或者重大遗漏。 特别提示： 1、债券代码：123255 2、债券简称：鼎龙转债 本次"鼎龙转债"回售不会对公司财务状况、经营成果、现金流量及股本 结构等产生实质影响，不会损害公司的债务履行能力和持续经营能力。 三、本次可转换公司债券回售的后续事项 根据相关规定，未回售的"鼎龙转债"将继续在深圳证券交易所交易。 8、回售款划拨日：2025 年 12 月 11 日 9、投资者回售款到账日：2025 年 12 月 12 日 一、本次可转换公司债券回售的公告情况 根据《深圳证券交易所创业板股票上市规则》《 ...