平顶山东方碳素股份有限公司 关于变更签字注册会计师及项目质量控制复核人的公告 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。 平顶山东方碳素股份有限公司（以下简称"公司"）于 2025 年 4 月 15 日召 开第四届董事会第十一次会议、第四届监事会第九次会议，于 2025 年 5 月 20 日召开 2024 年年度股东会，审议通过了《关于续聘 2025 年度审计机构的议案》， 同意续聘立信会计师事务所（特殊普通合伙）（以下简称"立信"）为公司 2025 年度的审计机构。具体内容详见公司在北京证券交易所信息披露平台 （www.bse.cn）披露的《平顶山东方碳素股份有限公司拟续聘 2025 年度会计师 事务所公告》（公告编号：2025-010）。 近日，公司收到立信出具的《关于变更签字注册会计师及项目质量控制复 核人的告知函》，现将有关情况公告如下： 证券代码：920175 证券简称：东方碳素 公告编号：2025-085 本次变更的立信项目合伙人、签字注册会计师、项目质量控制复核人不存 在违反《中国注册 ...

Group 1 - The stock price of Dongfang Carbon (920175.BJ) fell to 11.62 yuan, a decrease of 1.11%, currently in a state of breaking issue [1] - Dongfang Carbon was listed on the Beijing Stock Exchange on June 30, 2023, with an initial offering price of 12.60 yuan per share, issuing 32 million shares (excluding the over-allotment option) and 36.8 million shares (if the over-allotment option is fully exercised) [1] - The total amount raised by Dongfang Carbon before the exercise of the over-allotment option was 403.2 million yuan, with a net amount of 368.7 million yuan after deducting issuance costs [2] Group 2 - The issuance costs for Dongfang Carbon totaled 34,494,702.08 yuan before the exercise of the over-allotment option and 38,788,386.07 yuan if the option is fully exercised [3] - The underwriting fees amounted to 30,226,415.10 yuan before the over-allotment option and 34,505,660.38 yuan if the option is fully exercised [3] - The funds raised are intended for a project to produce 18,000 tons of high-end special graphite carbon materials [2]

Market Overview - The non-metal materials sector increased by 0.11% compared to the previous trading day, with Ningxin New Materials leading the gains [1] - The Shanghai Composite Index closed at 3890.45, up by 0.36%, while the Shenzhen Component Index closed at 13140.22, up by 0.66% [1] Stock Performance - Ningxin New Materials (code: 920719) closed at 13.56, with a rise of 6.60% and a trading volume of 87,200 shares, amounting to a transaction value of 119 million yuan [1] - Suotong Development (code: 603612) closed at 23.05, up by 2.13% with a trading volume of 125,800 shares [1] - Other notable stocks include: - Dongfang Huizhen (code: 920175) at 11.95, up by 1.79% [1] - Bingyang Technology (code: 920675) at 10.45, up by 0.58% [1] - Qilu Huaxin (code: 920832) at 7.60, up by 0.40% [1] - Quartz Shares (code: 603688) at 35.82, up by 0.36% [1] Capital Flow - The non-metal materials sector experienced a net outflow of 53.54 million yuan from institutional investors, while retail investors saw a net inflow of 43.71 million yuan [2] - The capital flow for individual stocks shows: - Longao Co. (code: 605086) had a net outflow of 13.07 million yuan from institutional investors [3] - Ningxin New Materials had a net inflow of 13.25 million yuan from institutional investors [3] - Strength Diamond (code: 301071) had a net inflow of 7.36 million yuan from retail investors [3]

Market Overview - The non-metal materials sector experienced a decline of 0.46% on December 2, with Ningxin New Materials leading the drop [1] - The Shanghai Composite Index closed at 3897.71, down 0.42%, while the Shenzhen Component Index closed at 13056.7, down 0.68% [1] Stock Performance - Longgao Co., Ltd. (605086) saw a significant increase of 9.35%, closing at 40.35 with a trading volume of 102,400 shares and a transaction value of 396 million [1] - Jiangsu Materials (001296) increased by 1.16%, closing at 27.05 with a trading volume of 150,400 shares and a transaction value of 402 million [1] - Other notable declines included Ningxin New Materials (920719) down 2.58% to 12.85, and Lianrui New Materials (688300) down 1.09% to 56.21 [2] Capital Flow Analysis - The non-metal materials sector saw a net outflow of 29.69 million from main funds, while retail investors contributed a net inflow of 37.43 million [2] - The main funds showed a significant outflow from stocks like Ningxin New Materials, which had a net outflow of 4.70 million, representing 14.27% of its trading volume [3] - Retail investors showed a positive net inflow in stocks like Quartz Co. (603688), which had a net inflow of 11.10 million, accounting for 7.12% of its trading volume [3]

Core Points - The Shanghai Composite Index is at 3945.15 points, above the annual line, with a slight increase of 0.14% [1] - A total trading volume of A-shares reached 1,424.57 billion yuan today [1] - 19 A-shares have surpassed the annual line, with notable stocks showing significant deviation rates [1] Summary by Category Stock Performance - The stocks with the highest deviation rates include: - Yaguang Technology (15.71%) - Yike Food (7.08%) - Dongfang Ocean (5.58%) [1] - Other stocks that have just crossed the annual line with smaller deviation rates include: - Luban Chemical - Dongfang Carbon - Zhongbai Group [1] Trading Data - The trading performance of selected stocks includes: - Yaguang Technology: +19.93% with a turnover rate of 24.42% - Yike Food: +7.60% with a turnover rate of 3.45% - Dongfang Ocean: +9.96% with a turnover rate of 13.34% [1] - The annual line prices and latest prices for these stocks are also provided, indicating their current market positions [1]

Core Insights - The non-metal materials sector experienced a rise of 1.97% on November 13, with Ningxin New Materials leading the gains [1] - The Shanghai Composite Index closed at 4029.5, up 0.73%, while the Shenzhen Component Index closed at 13476.52, up 1.78% [1] Sector Performance - Ningxin New Materials (code: 920719) closed at 15.76, with a gain of 5.21% and a trading volume of 80,700 shares, amounting to a transaction value of 126 million [1] - Suotong Development (code: 603612) saw a closing price of 30.38, up 4.76%, with a trading volume of 557,500 shares and a transaction value of 1.689 billion [1] - Longgao Co., Ltd. (code: 605086) closed at 29.02, increasing by 4.39%, with a trading volume of 81,000 shares and a transaction value of 232 million [1] - Other notable performers include Tianma New Materials (code: 920971) with a 3.45% increase, and Dongfang Huizhen (code: 920175) with a 3.12% increase [1] Capital Flow - The non-metal materials sector saw a net inflow of 175 million from institutional investors, while retail investors experienced a net outflow of 89.97 million [1] - Specific stock capital flows indicate that Suotong Development had a net inflow of 141 million from institutional investors, while retail investors had a net outflow of 90.65 million [2] - Quartz Co., Ltd. (code: 603688) had a net inflow of 17.36 million from institutional investors, while retail investors had a net inflow of 8.52 million [2]

Market Overview - The non-metal materials sector experienced a decline of 0.96% on November 3, with Tianma New Materials leading the drop [1] - The Shanghai Composite Index closed at 3976.52, up 0.55%, while the Shenzhen Component Index closed at 13404.06, up 0.19% [1] Stock Performance - Key stocks in the non-metal materials sector showed varied performance, with the following notable movements: - Liliang Diamond (301071) increased by 2.11% to a closing price of 39.27, with a trading volume of 128,200 shares and a turnover of 497 million yuan [1] - Tianma New Materials (920971) decreased by 3.88% to a closing price of 37.37, with a trading volume of 90,900 shares and a turnover of 353 million yuan [2] - Other stocks like Longgao Co. (605086) and Jiangsu Materials (001296) also showed slight increases of 0.37% and 0.46%, respectively [1][2] Capital Flow - The non-metal materials sector saw a net outflow of 31.84 million yuan from institutional investors, while retail investors contributed a net inflow of 35.13 million yuan [2] - Detailed capital flow for specific stocks indicated that: - Liliang Diamond had a net outflow of 14.67 million yuan from institutional investors, but a net inflow of 22.05 million yuan from retail investors [3] - Longgao Co. experienced a net outflow of 2.28 million yuan from institutional investors, with a net inflow of 1.45 million yuan from retail investors [3]

证券代码：920175 证券简称：东方碳素 公告编号：2025-083 平顶山东方碳素股份有限公司 第四届董事会第十五次会议决议公告 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。 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 10 月 27 日 3.会议召开方式：现场和视频相结合 4.发出董事会会议通知的时间和方式：2025 年 10 月 16 日以通讯方式发出 5.会议主持人：董事长杨遂运 6.会议列席人员：公司高级管理人员 7.召开情况合法合规的说明： 本次会议的召集、召开及议案表决符合《公司法》、《公司章程》以及有关法 律法规的规定。 （二）会议出席情况 2.会议召开地点：公司会议室 会议应出席董事 7 人，出席和授权出席董事 7 人。 董事杨遂运因工作原因以通讯方式参与表决。 董事杨晓鹏因工作原因以通讯方式参与表决。 独立董事任保增因工作原因以通讯方式参与表决。 独立董事许尽峰因工作原因以通讯方式参与表决。 二、议案审议情况 （一）审议通过《关于公司 2025 年 ...

Core Points - The Shanghai Composite Index is currently at 3993.52 points, slightly below the half-year line with a change of -0.09% [1] - A total of 66 A-shares have surpassed the half-year line today, with notable stocks showing significant deviation rates [1] Group 1: Stock Performance - The stock with the highest deviation rate is Libang Instruments, with a deviation rate of 14.95% and a daily increase of 16.28% [1] - Tax Friend Co. and Founder Motor follow with deviation rates of 6.81% and 6.27%, respectively, both showing daily increases of 10.00% and 9.98% [1] - Other notable stocks include Cuihua Jewelry and Furuite Equipment, with deviation rates of 4.94% and 4.50% respectively [1] Group 2: Trading Volume and Market Activity - The total trading volume of A-shares today reached 10089.87 billion yuan [1] - The turnover rate for Tax Friend Co. is notably high at 46.64%, indicating strong trading activity [1] - Other stocks with significant turnover rates include Libang Instruments at 10.82% and Cuihua Jewelry at 8.21% [1]

Core Insights - The non-metal materials sector experienced a significant increase of 2.63% on October 27, with Lianrui New Materials leading the gains [1] - The Shanghai Composite Index closed at 3996.94, up 1.18%, while the Shenzhen Component Index closed at 13489.4, up 1.51% [1] Stock Performance - Lianrui New Materials (688300) closed at 63.63, with a rise of 10.28% and a trading volume of 129,000 shares, amounting to a transaction value of 825 million yuan [1] - Suotong Development (603612) rose by 4.15% to close at 25.60, with a trading volume of 250,200 shares and a transaction value of 639 million yuan [1] - Longgao Co., Ltd. (605086) increased by 3.34% to 24.72, with a trading volume of 26,700 shares and a transaction value of 65.33 million yuan [1] - Tianma New Materials (920971) saw a 2.49% increase, closing at 32.96, with a trading volume of 28,400 shares and a transaction value of 93.34 million yuan [1] - Kuncai Technology (603826) had a marginal increase of 0.16%, closing at 18.47, with a trading volume of 23,600 shares and a transaction value of 43.63 million yuan [1] - Qilu Huaxin (920832) and Dongfang Xiyuan (920175) experienced slight declines of 0.24% and 0.39%, respectively [1] Capital Flow - The non-metal materials sector saw a net outflow of 120 million yuan from institutional investors, while retail investors contributed a net inflow of 171 million yuan [2] - The overall capital flow indicates a mixed sentiment, with institutional investors withdrawing while retail investors showed interest in the sector [2] Detailed Capital Flow Analysis - Longgao Co., Ltd. (605086) had a net outflow of 2.27 million yuan from institutional investors but a net inflow of 1.54 million yuan from retail investors [3] - Kuncai Technology (603826) experienced a net outflow of 1.27 million yuan from institutional investors, while retail investors contributed a net inflow of 0.78 million yuan [3] - Lianrui New Materials (688300) faced a net outflow of 4.81 million yuan from institutional investors, but retail investors contributed a significant net inflow of 8.08 million yuan [3]