Group 1 - The photoresist concept continues to strengthen, with companies such as Zhongjuxin-U and Kaimeteqi hitting the daily limit up [1] - Other companies including Huasoft Technology, Jiaxian Co., Guangxin Materials, Guolin Technology, Jingrui Electric Materials, Bayi Shikong, and Dongcai Technology also experienced gains [1]

Industry Overview - Electronic-grade sulfuric acid is a key cleaning and etching material in integrated circuit manufacturing, primarily used in the cleaning processes for 8-inch and 12-inch wafers [1][8] - In 2024, China's electronic-grade sulfuric acid production is expected to reach approximately 115,000 tons, representing a year-on-year growth of 9.52%, driven by the expansion of advanced semiconductor processes (7nm and below) and the large-scale application of cleaning processes in monocrystalline silicon solar cells [1][8] Industry Chain - The upstream of the electronic-grade sulfuric acid industry chain includes high-purity sulfur, industrial sulfuric acid, liquid sulfur trioxide, and ultra-pure water [4] - High-purity sulfur is a critical raw material for the production of electronic-grade sulfuric acid, with its purity directly affecting the quality of the final product [5] Market Dynamics - The rapid development of China's electronic information industry has led to a continuous increase in demand for semiconductor chips, particularly driven by emerging technologies such as 5G, artificial intelligence, and the Internet of Things [7] - The semiconductor equipment market in China is projected to reach 223 billion yuan in 2024, with a year-on-year growth of 1.82%, further boosting the demand for electronic-grade sulfuric acid [7] Key Players - The electronic-grade sulfuric acid industry in China is characterized by a competitive landscape with "one leader and many strong players." Xingfu Electronics is the industry leader, with a production capacity expected to reach 374,000 tons per year by 2025 [8][9] - Jianghua Micro and Jingrui Electronics follow closely, with Jianghua Micro achieving G4 grade product production through a combination of distillation and absorption methods [8] Industry Trends - The industry is transitioning from "scale expansion" to "quality improvement," with a focus on building a complete industrial chain [11] - The demand for electronic-grade sulfuric acid is being driven by both the expansion of the semiconductor industry and the rise of the renewable energy sector, leading to a trend of high-end and diversified market structure [11][12] - Companies are increasing R&D investments to upgrade purification processes and achieve lower metal ion content, with domestic enterprises achieving SEMI G5 grade product mass production [10][11]

国泰海通证券股份有限公司 关于中巨芯科技股份有限公司 2025 年半年度持续督导跟踪报告 | 保荐机构名称：国泰海通证券股份有限公司 | 被保荐公司简称：中巨芯 | | --- | --- | | 保荐代表人姓名：林剑辉、张博文 | 被保荐公司代码：688549 | 重大事项提示 2025 年上半年，公司利润总额、归属于上市公司股东的净利润和归属于上 市公司股东的扣除非经常性损益的净利润较上年同期分别下降了 80.11%、64.57% 和 92.24%，主要是由于行业竞争加剧，部分产品销售价格持续下降，主要原料 价格高位运行，电子特种气体二期及前驱体材料等产品在客户端导入进度缓慢， 导致公司整体毛利率下降。目前，公司生产经营状况正常。 经中国证券监督管理委员会《关于同意中巨芯科技股份有限公司首次公开发 行股票注册的批复》（证监许可〔2023〕1278 号）批复，中巨芯科技股份有限公 司（以下简称"上市公司"、"公司"或"发行人"）首次公开发行股票 36,931.90 万股，每股面值人民币 1 元，每股发行价格人民币 5.18 元，募集资金总额为人 民币 191,307.24 万元，扣除发行费用后，实际募集资金 ...

国泰海通证券股份有限公司 关于中巨芯科技股份有限公司 增加2025年度日常关联交易预计的核查意见 国泰海通证券股份有限公司（以下简称"国泰海通"或"保荐机构"）作为 中巨芯科技股份有限公司（以下简称"中巨芯"或"公司"）首次公开发行股票 并在科创板上市的保荐机构，根据《证券发行上市保荐业务管理办法》《上海证 券交易所科创板股票上市规则》《上海证券交易所科创板上市公司自律监管指引 第 1 号——规范运作》等相关法律、法规和规范性文件的规定，对中巨芯增加 2025 年度日常关联交易预计的事项进行了专项核查，核查情况与意见如下： 本次新增日常关联交易金额预计事项无需提交公司股东会审议。 （二）本次日常关联交易预计金额和类别 单位：人民币万元（不含税） | 关联交易类别 | | 2025年 | 本次拟 | 本次增加 后2025年 | 占同类 业务比 | 2025年1-7月实 | 2024年 度实际 | 预计金额 与2024年 | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | | 关联人 | 度原预 | 增加预 | | | 际发生金额 | | 实际发 ...

公司于 2025 年 9 月 8 日召开第二届董事会独立董事专门会议第五次会议审 议通过了《关于增加 2025 年度日常关联交易预计的议案》，全体独立董事认为： 公司增加的 2025 年度日常关联交易预计符合公司日常经营所需，相关关联交易 的定价政策和定价依据符合市场原则，遵循了公平、公正及公允的原则，不存在 损害公司及股东特别是中小股东利益的情况。全体独立董事一致同意增加 2025 年度日常关联交易预计事项，并同意将该议案提交公司董事会审议。 关于增加 2025 年度日常关联交易预计的公告 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、准确性和完整性依法承担法律责任。 重要内容提示： 是否需要提交股东会审议：否 日常关联交易对上市公司的影响：本次新增的日常关联交易预计是中巨 芯科技股份有限公司（以下简称"公司"）正常经营活动所需，有利于公司正常 经营的稳定。公司上述日常关联交易遵循公开、公平、公正的原则，参照市场价 格协商定价，不会损害公司和全部股东特别是中小股东的利益，公司与上述关联 人之间保持独立。上述关联交易不会对公司的独立性构成影响，公司的主要 ...

证券代码：688549 证券简称：中巨芯 公告编号：2025-036 中巨芯科技股份有限公司 2025年第二次临时股东大会决议公告 本公司董事会及全体董事保证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、准确性和完整性依法承担法律责任。 重要内容提示： 本次会议是否有被否决议案：无 一、 会议召开和出席情况 （一） 股东大会召开的时间：2025 年 9 月 11 日 （二） 股东大会召开的地点：浙江省衢州市柯城区中央大道 247 号 2 幢公司一 楼会议室 （三） 出席会议的普通股股东、特别表决权股东、恢复表决权的优先股股东及 其持有表决权数量的情况： | 1、出席会议的股东和代理人人数 | 357 | | --- | --- | | 普通股股东人数 | 357 | | 2、出席会议的股东所持有的表决权数量 | 974,378,598 | | 普通股股东所持有表决权数量 | 974,378,598 | | 3、出席会议的股东所持有表决权数量占公司表决权数量的比 | 65.9577 | | 例（%） | | | 普通股股东所持有表决权数量占公司表决权数量的比例（%） | 65.957 ...

中巨芯科技股份有限公司 2025 年第二次临时股东大会之 见证意见 上海市东大名路501号上海白玉兰广场办公楼22/23层 邮编：200080 Floor 23,Sinar Mas Plaza,No.501,East Da Ming Road ,Shanghai 200080,P. R. China 电话（Tel）：86 21 5598 9888 / 5598 9666 传真（Fax）：86 21 5598 9898 德恒上海律师事务所 德恒上海律师事务所 关于中巨芯科技股份有限公司 2025 年第二次临时股东大会之见证意见 德恒上海律师事务所 关于 02F20210661-00024 号 致：中巨芯科技股份有限公司 德恒上海律师事务所（以下简称"本所"）接受中巨芯科技股份有限公司（以 下简称"公司"）的委托，指派本所见证律师列席公司于 2025 年 9 月 11 日 14 点 00 分在浙江省衢州市柯城区中央大道 247 号 2 幢公司一楼会议室召开的 2025 年第二次临时股东大会（以下简称"本次股东大会"），就召开本次股东大会进 行见证并出具本见证意见。 本所见证律师依据本见证意见出具日前已经发生或存在 ...

证券代码：688549 证券简称：中巨芯 公告编号：2025-037 中巨芯科技股份有限公司 第二届董事会第九次会议决议公告 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、准确性和完整性依法承担法律责任。 1、审议通过《关于选举代表公司执行公司事务的董事的议案》 董事会同意选举童继红先生为代表公司执行公司事务的董事，并担任公司法 定代表人，任期自本次董事会审议通过之日起至第二届董事会任期届满之日止。 表决情况：9 票同意，0 票反对，0 票弃权。 2、审议通过《关于选举公司第二届董事会副董事长的议案》 因个人工作调整，张昊玳女士已申请辞去公司董事、副董事长和提名委员会 委员职务。辞职后，张昊玳女士将不再担任公司任何职务。 一、董事会会议召开情况 中巨芯科技股份有限公司（以下简称"公司"）第二届董事会第九次会议于 2025 年 9 月 11 日以现场结合通讯方式召开，本次会议由董事长童继红召集并主 持，会议应出席董事 9 名，实际出席董事 9 名。本次会议召集和召开符合《中华 人民共和国公司法》（以下简称"《公司法》"）等法律法规及《中巨芯科技股 份有限公 ...

Group 1 - Sichuan Road and Bridge's controlling shareholder plans to reduce its stake by up to 2% of the company's total shares, amounting to approximately 174 million shares [1] - Jinlongyu's shareholder terminates the share transfer agreement, halting the planned transfer of 5.32% of the company's shares [1] - Doli Technology's subsidiary plans to establish a joint venture in Spain with an investment of approximately 505 million yuan, with a 70% stake held by Doli Technology [1][2] Group 2 - Chongqing Pharmaceutical, a subsidiary of Zhongyao Holdings, has received approval for clinical trials of its drug, Clopidogrel Hydrochloride Tablets [3][4] - Dongyangguang plans to jointly increase capital in a subsidiary to acquire 100% of Qinhuai Data China for 28 billion yuan [5] - Kangzhi Pharmaceutical's controlling shareholder intends to transfer 5.0004% of the company's shares at a price of 5.34 yuan per share, totaling approximately 122 million yuan [6] Group 3 - Huali Co., Ltd. announces two shareholders plan to reduce their stakes by a combined total of up to 3.96% of the company's shares [7] - Fangbang Co., Ltd.'s director plans to reduce his stake by up to 15,000 shares, representing 0.1844% of the total shares [8] - China Pacific Insurance suggests issuing HKD-denominated convertible bonds, with proceeds aimed at supporting its main insurance business and strategic initiatives [9] Group 4 - Microchip Biotech's shareholder plans to reduce its stake by up to 3% of the company's total shares [10] - Hongbai New Materials' controlling shareholder intends to reduce its stake by up to 3% due to funding needs [11] - Zhejiang Rongtai clarifies that its sales in the robotics components sector are minimal and will not significantly impact annual net profit [12] Group 5 - ST Tianmao voluntarily withdraws its application for A-share listing, which has been accepted by the Shenzhen Stock Exchange [13] - Qingxin Environment's shareholder plans to reduce its stake by up to 1% of the company's total shares [14] - Lanjik Technology's two shareholders plan to reduce their stakes by a combined total of up to 2% of the company's shares [15] Group 6 - BYD's executives and core personnel collectively increased their holdings in the company by approximately 52.33 million yuan [16] - Trina Solar's subsidiary signs contracts for the sale of 2.48 GWh of energy storage products, marking a significant overseas order [17] - Chutianlong's shareholder plans to reduce its stake by up to 3% of the company's total shares [18] Group 7 - Zhongjuxin's shareholder plans to reduce its stake by up to 2.5% of the company's total shares due to funding needs [19] - ST Hezhong's controlling shareholder is under bail pending trial, but company operations remain unaffected [20] - Shoukai Co., Ltd. reports a signed contract amount of 973 million yuan for August, with cumulative contracts of 13.15 billion yuan for the year [21] Group 8 - Jucheng Co., Ltd.'s shareholder plans to reduce its stake by up to 2.61% of the company's total shares due to personal funding needs [22]

Key Points - Zhejiang Rongtai's sales in the robot components sector are relatively small [1][2] - Jin Feng Technology plans to invest 18.92 billion yuan in a wind power hydrogen ammonia project [1][2] - Lin Yang Energy has won a bid for approximately 244 million yuan from the Southern Power Grid [1][2] - Yingli Co., Ltd. intends to acquire 77.9385% of Youte Li [1][2] - Jiajiayue has repurchased 1.57% of its own shares [1][3] - Xiantan Co., Ltd. reported chicken product sales revenue of 516 million yuan in August [1][3] - Luoniushan reported pig sales revenue of 95.5903 million yuan in August [1][3] - Cheng Tian Wei Ye's actual controller and its concerted actors plan to reduce their holdings by no more than 2.96% [1][3] - Hualing Steel plans for Xintai Life Insurance to continue increasing its stake by 1%-2% [1][3] - Zhongju Chip's shareholder intends to reduce holdings by no more than 36.9319 million shares [1][3] - Mengguli plans to raise no more than 980 million yuan for a project to produce 30,000 tons of lithium-ion battery cathode materials annually [1][3]