Core Viewpoint - The article discusses the upcoming 2025 TrendBank Lithography Industry Conference, focusing on advancements in lithography technology, materials, and equipment, while addressing challenges in the domestic semiconductor industry [78][90]. Group 1: Conference Overview - The 2025 TrendBank Lithography Industry Conference will be held on July 9-10, 2025, in Hefei, Anhui, at the Hefei New Station Li Gang Sheraton Hotel [77][78]. - The conference aims to gather experts, scholars, and industry representatives to discuss the latest developments in advanced lithography technologies, materials, and equipment [90][91]. - The event will feature over 20 guest speakers and three main sessions covering advanced lithography technology, photoresists and wet electronic chemicals, and lithography equipment [79][80]. Group 2: Key Topics and Challenges - The conference will address the low self-sufficiency rate of high-end photoresists in China, highlighting the gap between domestic production capabilities and international standards [89]. - Discussions will include the challenges faced in the production of high-purity electronic chemicals and the reliance on imports for certain specialized products [89]. - The need for domestic innovation in lithography equipment, particularly in high-end machines like EUV lithography systems, will be a focal point due to current monopolies by foreign companies [89]. Group 3: Company Profile - Zhejiang Huaxian Optoelectronics Co., Ltd. is a national high-tech enterprise with a focus on research and development in photoresists and OLED materials, boasting a team of over 70 researchers [13]. - The company has established partnerships with several universities for long-term collaborative research and development [13]. - The mission of the company is to leverage technological innovation to enhance quality of life and promote social progress, aiming to be a respected leader in the materials field [14].

Group 1: Shareholder and Buyback Activities - Shareholder Lu Yin Investment's buyback plan has exceeded the lower limit of CNY 125 million, with a target upper limit of CNY 250 million [1] - The company is progressing with a buyback plan of CNY 100 million to CNY 200 million, aimed at reducing registered capital and enhancing earnings per share [1] - The restricted stock incentive plan involves the buyback and cancellation of 7,009,780 shares, currently undergoing creditor announcement procedures [1] Group 2: Strategic Partnerships and Collaborations - The company signed a project cooperation letter of intent with Sinopec Catalyst Co., which will facilitate resource sharing and technical complementarity, aiming for product collaboration in the petrochemical catalyst field by 2025 [3] Group 3: Production Expansion Plans - The company plans to invest no more than CNY 300 million in the C05 project for semiconductor materials and polyimide materials, with a theoretical production capacity exceeding 1,000 tons [4] - Current semiconductor material production capacity is fully utilized, and the project is in the preparatory phase, expected to take about two years for completion after obtaining necessary approvals [4] Group 4: Performance and Project Updates - The company's second-quarter performance will be disclosed in the half-year report scheduled for August 22 [5] - The "Zhongjie Neng Wanrun (Penglai) New Materials Phase I Construction Project" has begun trial production of semiconductor materials, with further product launches dependent on trial progress and downstream customer validation [6][7] Group 5: Research and Development Focus - The company is focusing on material research in solid-state batteries, with no plans to produce batteries, and is currently developing high-purity materials in collaboration with universities [7] - The company is actively developing high-performance polymer products, including thermoplastic polyimide and polyether ether ketone, with some products already in sales and others in market promotion and validation stages [7]

Core Viewpoint - The chemical industry is experiencing a structural optimization and upgrade driven by global capacity restructuring and domestic policies, leading to a recovery in demand and a new upward cycle, with significant stock price increases in the basic chemical sector, particularly for companies like United Chemical [1] Group 1: Company Performance - United Chemical achieved a revenue of 53.46 million yuan in 2024, a year-on-year increase of 24.80%, and a net profit of 5.64 million yuan, up 66.81% [2] - In Q1 2025, the company reported a revenue of 13.00 million yuan, a slight increase of 0.52%, and a net profit of 1.65 million yuan, up 17.97% [2] - The company specializes in the R&D, production, and sales of azo organic pigments and water-based inks, with applications in various industries including printing, packaging, and cosmetics [2] Group 2: R&D and Innovation - United Chemical's R&D investment grew by 27.16% in 2024, with R&D expenses accounting for 4.53% of revenue [3] - The company aims to enhance its core technology and innovation through independent R&D, focusing on developing high-performance, environmentally friendly pigment products [3] - The company holds 12 invention patents and 19 utility model patents, participating in the formulation of 48 national and industry standards [2][3] Group 3: Strategic Expansion - United Chemical is expanding into the electronic chemicals sector, leveraging its experience in fine chemical synthesis and surface treatment [4] - In May 2025, the company established a joint venture, Qichen Semiconductor, to develop and produce various semiconductor materials, including photolithography monomers and electronic-grade solvents [4] - The initial production capacity for the photolithography monomer project is designed at 200 tons per year, with plans for future expansion based on market demand [4][5]

Core Viewpoint - The company, United Chemical, has announced significant stock price fluctuations and potential risks associated with its new joint venture, Qichen Semiconductor, which is still in the early stages of development and market entry [2][3]. Group 1: Stock Performance - As of May 23, United Chemical's stock price increased by 15.22%, closing at 124.15 yuan, marking a historical high [2]. - Over the past year, the company's stock price has surged by 394.82%, while the CSI 300 index has only risen by 6.60% during the same period [2]. - The stock has shown a significant deviation in price, with a 202.59% deviation over 27 consecutive trading days, indicating severe abnormal trading fluctuations [2]. Group 2: Valuation Comparison - The company's rolling price-to-earnings (P/E) ratio stands at 176.00, which is significantly higher than the industry average P/E ratio of 23.28 for the chemical raw materials and products manufacturing sector [3]. - This discrepancy raises concerns about the stock's valuation relative to its peers, prompting the company to advise investors to be cautious in their trading decisions [3]. Group 3: Joint Venture and Market Strategy - United Chemical has established a joint venture, Qichen Semiconductor, in collaboration with Shanghai Panwo Fine Chemical Co., Ltd. and Beijing Shanggu Lianheng Chemical Technology Co., Ltd., focusing on the development and production of various semiconductor-related chemicals [3][4]. - The company aims to leverage its experience in fine chemical synthesis and surface treatment to enter the electronic chemicals market, which is characterized by high technical barriers and significant profit margins [4]. - The initial production capacity for the project is designed to be 200 tons per year, with plans for increased R&D investment and technical personnel to enhance capabilities [4]. Group 4: Financial Performance - For the year 2024, United Chemical projects a revenue of 53,461.73 million yuan, reflecting a year-on-year growth of 24.8%, and a net profit attributable to shareholders of 5,643.21 million yuan, up 66.81% [4]. - In the first quarter of 2025, the company reported a revenue of 13,006.19 million yuan, a slight increase of 0.52%, but the net profit decreased by 17.97% to 1,654.22 million yuan [4].

龙口联合化学股份有限公司 投资者关系活动记录表 2 龙口联合化学股份有限公司 投资者关系活动记录表 工合成、表面处理等经验，与部分电子化学品存在技术协同。公司可通 过技术迁移切入电子化学品细分领域，再逐步向更高端环节拓展，形成 公司新的利润增长点，为股东创造更大价值。 （二）启辰半导体新材料（盘锦）有限公司生产苯乙烯类 光刻胶单体总的规模有多大？利润率有多少？ 答：公司项目目前设计一期年产能 200 吨，后续根据市场需求适时 扩大生产规模并及时披露该项目的相关信息。电子化学品的毛利率受市 场供求关系、原材料价格水平、工艺水平等多种因素影响，届时公司将 会在相应定期报告中披露电子化学品的毛利率水平。 （三）公司有没有股权激励的计划？ 答：目前没有计划，如有相关计划，将及时履行公告义务。 证券代码：301209 证券简称：联合化学 2025-023 龙口联合化学股份有限公司 投资者关系活动记录表 | | 特定对象调研 □分析师会议 | | --- | --- | | | □媒体采访 □业绩说明会 | | 投资者关系 | □新闻发布会 □路演活动 | | 活动类别 | □现场参观 | | | □其他（电话） | | ...

2 龙口联合化学股份有限公司 投资者关系活动记录表 龙口联合化学股份有限公司 投资者关系活动记录表 证券代码：301209 证券简称：联合化学 2025-020 龙口联合化学股份有限公司 投资者关系活动记录表 | | 特定对象调研 □分析师会议 | | --- | --- | | | □媒体采访 □业绩说明会 | | 投资者关系 | □新闻发布会 □路演活动 | | 活动类别 | □现场参观 | | | □其他（电话） | | 参与单位名称及人 | 中银国际证券：徐中良；华安证券：潘宁馨 | | 员姓名 | | | 时 间 | 2025年5月14日 | | 地 点 | 山东省龙口市诸由观镇龙口联合化学股份有限公司会议室 | | 上市公司 | 董事会秘书程丽娟女士；证券事务代表：李美女士 | | 接待人员姓名 | | | | 一、公司整体情况介绍： | | | 公司的主营业务为偶氮类有机颜料、挤水基墨的研发、生产与销 | | | 售。主要产品为黄色、红色、橙色偶氮有机颜料及挤水基墨。公司生产 | | | 的有机颜料主要应用于油墨、印刷包装、涂料、塑料、皮革、文教、儿 | | | 童玩具等诸多领域，产品出口到欧洲 ...