Market Overview - On September 25, the non-metal materials sector declined by 0.64%, with Bingyang Technology leading the drop [1] - The Shanghai Composite Index closed at 3853.3, down 0.01%, while the Shenzhen Component Index closed at 13445.9, up 0.67% [1] Stock Performance - Notable stock performances in the non-metal materials sector included: - Longgao Co., Ltd. (605086) closed at 25.87, up 1.05% with a trading volume of 23,300 shares and a turnover of 60.07 million yuan [1] - Suotong Development (603612) remained unchanged at 26.17 with a trading volume of 154,200 shares and a turnover of 404 million yuan [1] - Bingyang Technology (836675) closed at 10.92, down 4.29% with a trading volume of 22,000 shares and a turnover of 24.47 million yuan [2] Capital Flow - The non-metal materials sector experienced a net outflow of 105 million yuan from institutional investors, while retail investors saw a net inflow of 38.22 million yuan [2] - The capital flow for individual stocks showed: - Longgao Co., Ltd. had a net outflow of 220,300 yuan from institutional investors [3] - Strength Diamond (301071) faced a net outflow of 30.22 million yuan from institutional investors [3] - Suotong Development had a net inflow of 10.50 million yuan from retail investors [3]

Core Insights - The non-metal materials sector experienced a significant increase of 3.04% on September 24, with leading stock "Liangliang Diamond" rising by 7.46% [1] - The Shanghai Composite Index closed at 3853.64, up 0.83%, while the Shenzhen Component Index closed at 13356.14, up 1.8% [1] Stock Performance - "Liangliang Diamond" (301071) closed at 33.44 with a rise of 7.46%, trading volume of 145,300 shares and a transaction value of 480 million [1] - "Quartz Co." (603688) closed at 42.59, up 6.32%, with a trading volume of 365,000 shares and a transaction value of 1.512 billion [1] - "Lianrui New Materials" (688300) closed at 61.05, increasing by 4.27%, with a trading volume of 101,600 shares and a transaction value of 610 million [1] - Other notable stocks include "Ningxin New Materials" (839719) up 3.74% and "Dongfang Huayuan" (832175) up 2.83% [1] Capital Flow - The non-metal materials sector saw a net inflow of 265 million from institutional investors, while retail investors experienced a net outflow of 124 million [2] - The main stocks with significant capital flow include "Quartz Co." with a net inflow of 173 million from institutional investors and a net outflow of 97 million from retail investors [3] - "Lianrui New Materials" had a net inflow of 79.88 million from institutional investors, with retail investors also showing a net outflow [3]

证券之星消息，9月23日，齐鲁华信（830832）融资买入168.42万元，融资偿还68.34万元，融资净买入 100.08万元，融资余额1463.32万元，近3个交易日已连续净买入累计198.07万元，近20个交易日中有12 个交易日出现融资净买入。 | 交易日 | 融资净买入(元) | 融资余额(元) | 占流通市值比 | | --- | --- | --- | --- | | 2025-09-23 | 100.08万 | 1463.32万 | 1.47% | | 2025-09-22 | 40.86万 | 1363.24万 | 1.33% | | 2025-09-19 | 57.12万 | 1322.37万 | 1.21% | | 2025-09-18 | -22.16万 | 1265.25万 | 1.17% | | 2025-09-17 | -78.65万 | 1287.41万 | 1.19% | | 交易日 | 两融余额(元) | 余额变动(元) | 变动幅度 | | --- | --- | --- | --- | | 2025-09-23 | 1463.32万 | 100.08万 | 7.34% ...

Market Overview - On September 19, the non-metal materials sector rose by 1.33% compared to the previous trading day, with Tianma New Materials leading the gains [1] - The Shanghai Composite Index closed at 3820.09, down 0.3%, while the Shenzhen Component Index closed at 13070.86, down 0.04% [1] Stock Performance - Tianma New Materials (code: 838971) closed at 42.00, up 10.53% with a trading volume of 146,300 shares and a transaction value of 605 million yuan [1] - Other notable performers included: - Strength Diamond (code: 301071) at 32.63, up 3.42% [1] - Quartz Shares (code: 603688) at 39.52, up 1.88% [1] - Suotong Development (code: 603612) at 26.81, up 1.78% [1] - Qilu Huaxin (code: 830832) at 8.95, up 1.02% [1] Capital Flow - The non-metal materials sector saw a net inflow of 218 million yuan from institutional investors, while retail investors experienced a net outflow of 150 million yuan [2] - The capital flow for key stocks included: - Quartz Shares with a net inflow of 112 million yuan from institutional investors [3] - Suotong Development with a net inflow of 62.73 million yuan from institutional investors [3] - Strength Diamond with a net inflow of 31.12 million yuan from institutional investors [3]

Core Viewpoint - The steady growth in the demand for chemical catalysts in China is driven by multiple industrial factors, including stable demand in traditional petrochemical sectors and the booming markets and technical requirements of emerging fields like hydrogen fuel cells and biofuels [1][6]. Group 1: Industry Overview - Chemical catalysts are essential materials in the chemical industry, acting as the "core engine" that accelerates reactions and enhances product selectivity while reducing energy consumption and by-product generation [2][4]. - The market for chemical catalysts in China is experiencing rapid growth, with demand expected to rise from 39.5 million tons in 2017 to 49.1 million tons in 2024, and the market size increasing from 26.003 billion yuan to 41.173 billion yuan during the same period [4][6]. Group 2: Production and Demand Trends - The production of chemical catalysts in China is projected to grow from 37.3 million tons in 2017 to 49.9 million tons in 2024, with an expected increase to 52.5 million tons by 2025 [1][6]. - The market size for chemical catalysts is anticipated to reach 42.774 billion yuan by 2025, reflecting a continuous upward trend in both production and demand [1][4]. Group 3: Industry Chain - The upstream of the chemical catalyst industry includes the supply of raw materials and production equipment, while the midstream focuses on the research and production of catalysts, and the downstream applications span various sectors such as petrochemicals, pharmaceuticals, and environmental protection [6][8]. Group 4: Competitive Landscape - The market for chemical catalysts in China is characterized by a diverse supplier landscape, with domestic companies emerging alongside international giants, leading to a competitive yet complementary market environment [8][9]. - Key domestic players include Qilu Huaxin, Zhongchumai, and Kaili New Materials, which are gradually moving towards high-end markets while maintaining a presence in the mid-low end [8][9]. Group 5: Future Trends - The chemical catalyst industry is crucial for advancing green chemistry and improving energy efficiency, with a growing emphasis on developing high-performance and environmentally friendly catalysts [10][11]. - The shift towards low-carbon and green chemical processes is driving the need for innovative catalyst solutions, such as phase transfer catalysts, which are expected to have significant market potential in new industries and technologies [10][11].

证券代码：830832 证券简称：齐鲁华信 公告编号：2025-077 山东齐鲁华信实业股份有限公司 拟变更 2025 年度会计师事务所公告 本公司及董事会全体成员保证公告内容的真实、准确和完整，没有虚假记载、 误导性陈述或者重大遗漏，并对其内容的真实性、准确性和完整性承担个别及连 带法律责任。 涉及会计师事务所提供的资料、信息，会计师事务所应保证其提供、报送或 披露的资料、信息真实、准确、完整，不得有虚假记载、误导性陈述或者重大遗 漏。 重要内容提示： 一、拟聘任会计师事务所的基本情况 公司拟聘任北京兴华会计师事务所（特殊普通合伙）为 2025 年年度的审计 机构。 （一）机构信息 1.基本信息 成立日期：2013 年 11 月 22 日 组织形式：特殊普通合伙 注册地址：北京市西城区裕民路 18 号 2206 室 首席合伙人：张恩军 2024 年度末合伙人数量：95 人 1. 拟聘任的会计师事务所：北京兴华会计师事务所（特殊普通合伙） 2. 原聘任的会计师事务所：中天运会计师事务所（特殊普通合伙） 3. 变更会计师事务所的原因：实际控制人、股东或董事提议或自身发展需 要。 2024 年度末注册会计师人数： ...

一、基本情况 证券代码：830832 证券简称：齐鲁华信 公告编号：2025-078 山东齐鲁华信实业股份有限公司 关于拟变更公司法定代表人公告 本公司及董事会全体成员保证公告内容的真实、准确和完整，没有虚假记载、 误导性陈述或者重大遗漏，并对其内容的真实性、准确性和完整性承担个别及连 带法律责任。 三、备查文件 与会董事签字确认的公司《第五届董事会第十次会议决议》 山东齐鲁华信实业股份有限公司 董事会 2025 年 9 月 15 日 山东齐鲁华信实业股份有限公司于 2025 年 9 月 15 日召开第五届董事会第十 次会议，审议通过了《关于变更公司法定代表人的议案》，拟将公司法定代表人 由董事、副总经理田南先生变更为董事、总经理明伟先生。 上述变更无需提交公司股东会审议，董事会审议通过后公司将依据规定办理 工商登记变更事宜，具体以工商行政管理部门登记为准。 二、本次变更对公司的影响 上述变更不会导致公司所属行业发生变化，不会导致公司主营业务发生变化， 不会对公司生产、经营产生不利影响。 ...

证券代码：830832 证券简称：齐鲁华信 公告编号：2025-076 一、会议召开和出席情况 （一）会议召开情况 5.会议主持人：侯普亭 6.召开情况合法、合规、合章程性说明： 本次会议召集、召开程序及表决方式符合《中华人民共和国公司法》等有关 法律、法规及《公司章程》的规定。 （二）会议出席情况 山东齐鲁华信实业股份有限公司 第五届监事会第八次会议决议公告 本公司及监事会全体成员保证公告内容的真实、准确和完整，没有虚假记载、 误导性陈述或者重大遗漏，并对其内容的真实性、准确性和完整性承担个别及连 带法律责任。 会议应出席监事 3 人，出席和授权出席监事 3 人。 二、议案审议情况 2.议案表决结果：同意 3 票；反对 0 票；弃权 0 票。 3.回避表决情况 不涉及关联交易事项，无需回避表决。 （一）审议通过《关于拟变更会计师事务所的议案》 1.议案内容： 具体情况详见公司于 2025 年 9 月 15 日在北京证券交易所官方信息披露平台 （www.bse.cn）发布的《拟变更 2025 年度会计师事务所公告》（公告编号： 1.会议召开时间：2025 年 9 月 15 日 2.会议召开地点：公司会议室 3 ...

本公司及董事会全体成员保证公告内容的真实、准确和完整，没有虚假记载、 误导性陈述或者重大遗漏，并对其内容的真实性、准确性和完整性承担个别及连 带法律责任。 一、会议召开和出席情况 （一）会议召开情况 1.会议召开时间：2025 年 9 月 15 日 2.会议召开地点：公司会议室 3.会议召开方式：采用现场及通讯方式召开 证券代码：830832 证券简称：齐鲁华信 公告编号：2025-075 山东齐鲁华信实业股份有限公司 第五届董事会第十次会议决议公告 7.召开情况合法、合规、合章程性说明： 本次会议召集、召开程序及表决方式符合《中华人民共和国公司法》等有关 法律、法规及《公司章程》的规定。 （二）会议出席情况 会议应出席董事 9 人，出席和授权出席董事 9 人。 董事陈文勇、田南因在外地以通讯方式参与表决。 独立董事孙国茂、于培友、晚壮因在外地以通讯方式参与表决。 二、议案审议情况 4.发出董事会会议通知的时间和方式：2025 年 9 月 11 日以通讯方式发出 5.会议主持人：明曰信 6.会议列席人员：全体监事、财务总监和肖磊 （一）审议通过《关于拟变更会计师事务所的议案》 1.议案内容： 具体情况详见公司 ...

Market Performance - The non-metal materials sector increased by 2.99% on September 11, with Lianrui New Materials leading the gains [1] - The Shanghai Composite Index closed at 3875.31, up 1.65%, while the Shenzhen Component Index closed at 12979.89, up 3.36% [1] Stock Performance - Lianrui New Materials (688300) closed at 55.04, up 6.34% with a trading volume of 73,300 shares and a turnover of 393 million yuan [1] - Quartz Co. (603688) closed at 38.79, up 4.27% with a trading volume of 173,400 shares and a turnover of 663 million yuan [1] - Strength Diamond (301071) closed at 30.49, up 2.73% with a trading volume of 60,900 shares and a turnover of 184 million yuan [1] - Other notable stocks include Suotong Development (603612) at 27.77, up 2.43%, and Qilu Huaxin (830832) at 8.91, up 1.25% [1] Capital Flow - The non-metal materials sector saw a net inflow of 25.82 million yuan from institutional investors, while retail investors experienced a net outflow of 72.27 million yuan [2][3] - The main capital inflow was observed in Quartz Co. with a net inflow of 35.55 million yuan from institutional investors [3] - Lianrui New Materials experienced a net outflow of 19.01 million yuan from institutional investors [3]