一、监事会会议召开情况 龙口联合化学股份有限公司（以下简称"公司"）第二届监事会第六次会议 于 2025 年 8 月 25 日以现场的方式在公司二楼会议室召开，会议通知已于 2025 年 8 月 15 日以通讯方式通知了全体监事。会议应出席监事 3 名，实际出席监事 3 名。会议由监事会主席刘德胜先生主持。 本次会议的召开和表决程序符合《公司法》等法律法规和《公司章程》的规 定。 二、监事会会议审议情况 经与会监事认真审议，本次会议以记名投票的方式通过如下决议： （一）审议通过《关于公司 2025 年半年度报告及其摘要的议案》 证券代码：301209 证券简称：联合化学 公告编号：2025-032 龙口联合化学股份有限公司 第二届监事会第六次会议决议 公司及监事会全体成员保证信息披露内容的真实、准确和完整，没有虚假 记载、误导性陈述或者重大遗漏。 监事会对公司报告期募集资金存放和使用情况进行了监督和检查。监事会认 为：公司募集资金使用和管理符合深圳证券交易所有关规则的规定，如实反映公 司 2025 年 1-6 月份募集资金存放与使用情况。 具体内容详见公司同日披露于巨潮资讯网（www.cninfo.com.c ...

龙口联合化学股份有限公司 第二届董事会第九次会议决议 公司及董事会全体成员保证信息披露内容的真实、准确和完整，没有虚假 记载、误导性陈述或者重大遗漏。 一、董事会会议召开情况 龙口联合化学股份有限公司（以下简称"公司"）第二届董事会第九次会议通 知于 2025 年 8 月 15 日以邮件方式发出，会议于 2025 年 8 月 25 日上午在公司二 楼会议室以现场结合通讯方式召开。本次会议应参加董事 5 人，实际参加董事 5 人。公司全体监事和高级管理人员列席了会议。会议由董事长李秀梅女士主持， 本次董事会会议的召集、召开及表决程序符合《公司法》及《公司章程》等相关 法律法规的规定。 证券代码：301209 证券简称：联合化学 公告编号：2025-031 深圳证券交易所关于上市公司募集资金存放和使用的相关法律法规的相关规定， 不存在违规使用募集资金的行为，不存在改变或变相改变募集资金投向和损害股 东利益的情况。 具体内容详见公司同日披露于巨潮资讯网（www.cninfo.com.cn）的相关公 告。 表决结果：同意 5 票，反对 0 票，弃权 0 票。 （三）逐项审议通过《关于修订<公司章程>及授权董事会办理相 ...

中德证券有限责任公司 关于龙口联合化学股份有限公司 | 保荐机构名称：中德证券有限责任公司 | 被保荐公司简称：联合化学 | | --- | --- | | 保荐代表人姓名：缪兴旺 | 联系电话：010-59026928 | | 保荐代表人姓名：张少伟 | 联系电话：010-59026829 | 一、保荐工作概述 | 项目 | 工作内容 | | --- | --- | | 1.公司信息披露审阅情况 | | | （1）是否及时审阅公司信息披露文件 | 是 | | （2）未及时审阅公司信息披露文件的次数 | 0次 | | 2.督导公司建立健全并有效执行规章制度的情况 | | | （1）是否督导公司建立健全规章制度（包括但不限于防止 | | | 关联方占用公司资源的制度、募集资金管理制度、内控制度、 | 是 | | 内部审计制度、关联交易制度） | | | （2）公司是否有效执行相关规章制度 | 是 | | 3.募集资金监督情况 | | | （1）查询公司募集资金专户次数 | 6次 | | | 1、近年来，国内有机颜料行业 | | | 需求规模整体保持相对稳定，市 | | | 场竞争态势激烈，呈现出产能充 | | ...

Core Viewpoint - The company, United Chemical (301209.SZ), reported a revenue of 269 million yuan for the first half of 2025, reflecting a year-on-year growth of 4.15%, and a net profit attributable to shareholders of 33.76 million yuan, which is a 21.62% increase compared to the previous year [1] Group 1: Financial Performance - The company achieved a revenue of 269 million yuan in the first half of 2025, marking a 4.15% increase year-on-year [1] - The net profit attributable to shareholders reached 33.76 million yuan, representing a year-on-year growth of 21.62% [1] Group 2: Product Offerings - The company's wholly-owned subsidiary, Gangjing Optics, offers three categories of optical products: high-end, mid-range, and low-end [1] - High-end optical systems, used in KrF and i-line lithography machines, can achieve a resolution of 110nm, with deliveries expected to start in Q4 2025 [1] - Mid-range optical systems, designed for packaging projection lithography and direct-write lithography machines, feature a large field of view (>120mm x 120mm) to meet advanced packaging needs, with deliveries anticipated in Q1 2026 [1] - Low-end optical systems, utilized in photovoltaic projection lithography machines, have a resolution of 5μm and can support an exposure capacity of 8000 wafers per hour, with 20 sets already shipped in small batches [1]

Core Insights - The company reported a revenue of 269 million yuan for the first half of 2025, representing a year-on-year growth of 4.15% [1] - The net profit attributable to shareholders was 33.76 million yuan, showing a year-on-year increase of 21.62% [1] Product Segmentation - The company's wholly-owned subsidiary, Gangjing Optics, offers three categories of optical products: 1) High-end optical systems (objective lenses and illumination systems) for KrF and i-line lithography machines, capable of achieving a resolution of 110nm, with deliveries expected to start in Q4 2025 [1] 2) Mid-range optical systems (objective lenses and illumination systems) for packaging projection lithography machines and packaging direct-write lithography machines, featuring a large field of view (>120mm x 120mm) to meet advanced packaging development needs, with deliveries anticipated in Q1 2026 [1] 3) Low-end optical systems (objective lenses and illumination systems) for photovoltaic projection lithography machines, with a resolution of 5μm and a production capacity of 8000 wafers per hour, with 20 sets already shipped in small batches [1]

龙口联合化学股份有限公司 龙口联合化学股份有限公司 2025 年半年度报告全文 证券代码：301209 证券简称：联合化学 公告编号：2025-037 2025 年半年度报告 2025 年 8 月 25 日 1 龙口联合化学股份有限公司 2025 年半年度报告全文 第一节 重要提示、目录和释义 公司董事会、监事会及董事、监事、高级管理人员保证半年度报告内容 的真实、准确、完整，不存在虚假记载、误导性陈述或者重大遗漏，并承担 个别和连带的法律责任。 公司负责人李秀梅、主管会计工作负责人姜芳及会计机构负责人(会计主 管人员)曲江华声明：保证本半年度报告中财务报告的真实、准确、完整。 所有董事均已出席了审议本次半年报的董事会会议。 本报告中所涉及的未来计划、发展战略等前瞻性描述不构成公司对投资者 的实质承诺。投资者及相关人士均应当对此保持足够的风险认识，并且应当 理解计划、预测与承诺之间的差异，敬请投资者注意投资风险。公司在经营 中可能存在的风险因素内容已在本报告"第三节 管理层讨论与分析"之"十、 公司面临的风险和应对措施"部分予以描述，敬请投资者注意并仔细阅读该 章节全部内容。 公司计划不派发现金红利，不送红股 ...

Summary of Key Points Core Viewpoint - On August 25, a total of 6 listed companies experienced the lifting of restrictions on their shares, with a total market value of approximately 3.883 billion yuan being unlocked [1]. Group 1: Companies and Share Unlocking Details - Zhongke Jincai (Stock Code: 002657) had 1.2562 million shares released from equity incentive restrictions [1]. - Oupokangshi (Stock Code: 300595) had 525,300 shares released from equity incentive restrictions [1]. - United Chemical (Stock Code: 301209) had 55.5 million shares released from pre-issue restrictions [1]. - Xuantai Pharmaceutical (Stock Code: 688247) had 31.1 million shares released [1]. - Diaowe (Stock Code: 688381) had 800,000 shares released [1]. - Tailin Micro (Stock Code: 688591) had 240,000 shares released [1].

Summary of Key Points Core Viewpoint - A total of 37 stocks in the A-share market will face a lock-up expiration next week, with a combined unlock quantity of 5.068 billion shares, amounting to a market value of 92.468 billion yuan, reflecting a week-on-week increase of 1.74% [1]. Unlocking Stock Details - The stocks with the highest unlock market value are Xugong Machinery and Dazhu CNC, each exceeding 31 billion yuan. The unlocking market values for these stocks are 31.908 billion yuan and 31.647 billion yuan, respectively [2][3]. - Xugong Machinery will unlock 3.569 billion shares on August 29, all from a private placement to institutional investors. Dazhu CNC will unlock 359 million shares on August 28, all from original shareholders' lock-up [2][3]. - The market performance of these stocks shows that Xugong Machinery, Dazhu CNC, and Rongbai Technology have increased by 6.68%, 13.72%, and 2.51% respectively since August [2]. Detailed Unlocking Information - The detailed unlocking information for Xugong Machinery indicates that the largest shareholders include Xuzhou Engineering Machinery Group Co., Ltd. and others, with shares coming from a private placement completed in August 2022 at an issue price of 5.55 yuan per share [3][4]. - As of August 22, Xugong Machinery's stock price is 8.94 yuan per share, with a market capitalization of 105.1 billion yuan. The unlocking shareholders have an unrealized gain of over 80%, totaling more than 14 billion yuan [4]. Significant Changes in Circulation - Among the 37 stocks facing unlocking, five stocks will see their circulation increase by over 100%, including Dazhu CNC, Xuantai Pharmaceutical, Hongying Intelligent, Chengdian Guangxin, and Zhenhua Wind Power, with unlocking ratios of 84.39%, 68.61%, 65.47%, 47.30%, and 43.04% respectively [10]. - The circulation of these stocks will increase significantly, with Dazhu CNC's circulation increasing by 576.53% [10].

Group 1 - The core point of the article is that 31 stocks will have their restrictions lifted next week, with a total market value of 23.481 billion yuan based on the latest closing prices [1] - Rongbai Technology has the highest market value of restricted shares to be released, with 250 million restricted shares becoming tradable next week, primarily consisting of original shareholders' restricted shares from the initial public offering [1] - Several companies, including Nine Company-WD, Baiwei Storage, Rongbai Technology, Wanma Co., and Yinhui Technology, have recently received institutional research [1] Group 2 - The table lists the stocks with the highest market value of restrictions lifted, including Rongzi Technology (5.707 billion yuan), Zhenhua Wind Power (5.282 billion yuan), and Xuantai Pharmaceutical (3.798 billion yuan) [3] - The percentage of restricted shares released relative to the total shares varies, with Xuantai Pharmaceutical having 68.61% of its shares restricted, while Zhenhua Wind Power has 43.04% [3] - The price changes since August for these stocks show varied performance, with Kai Ge Precision Machinery increasing by 31.54% and Xuantai Pharmaceutical decreasing by 4.01% [3]

Core Viewpoint - The announcement details the lifting of restrictions on 77,700,000 shares of Longkou United Chemical Co., Ltd., which represents 69.375% of the company's total share capital, allowing these shares to be traded after a 36-month lock-up period following the company's initial public offering (IPO) [1][2][25]. Group 1: IPO and Share Capital Changes - The company received approval from the China Securities Regulatory Commission for its IPO, issuing 20 million shares, which accounted for 25% of the total share capital post-IPO, while 60 million shares were subject to trading restrictions, making up 75% of the total [1][2]. - Following the 2024 annual equity distribution plan, the total share capital increased to 112 million shares, with 77,700,000 shares still under trading restrictions [2][27]. Group 2: Shareholder Commitments - Three shareholders, including the actual controller Li Xiumei, committed to not transferring or managing their pre-IPO shares for 36 months post-listing, with specific conditions for share reduction after the lock-up period [3][5][9]. - Li Xiumei's commitments include a maximum of 25% share transfer per year while serving as a director or senior management, and an automatic extension of the lock-up period if the stock price falls below the IPO price for 20 consecutive trading days [3][4][10]. Group 3: Shareholding Structure Changes - The lifting of restrictions will not affect the overall shareholding structure, as the total number of restricted shares remains at 77,700,000, with no pledges or freezes reported [25][27]. - The company has outlined specific measures to stabilize its stock price, including potential share buybacks if the stock price falls below a certain threshold [12][13][19]. Group 4: Compliance and Verification - The company and its shareholders have adhered to their commitments regarding the lifting of share restrictions, with no violations reported that would affect the trading of these shares [25][28]. - The sponsor institution has verified that the application for lifting share restrictions complies with relevant regulations and that the information disclosed is accurate and complete [28].