Core Viewpoint - The company has ensured the authenticity, accuracy, and completeness of its financial reports and other disclosures, taking legal responsibility for any misleading statements or omissions [2][3][4]. Financial Data - The first quarter financial statements for 2025 are unaudited, with the company confirming that there were no profits from mergers with controlled entities in the current or previous periods [5][6]. - The company has not adopted new accounting standards or interpretations that would affect the financial statements for the year [6]. Shareholder Information - The company has reported that there are no changes in the major shareholders or their shareholding status compared to the previous period [4]. Supervisory Board Meeting - The third supervisory board meeting was held on April 18, 2025, with all five supervisors present, and the meeting followed legal and procedural requirements [7]. - The supervisory board approved several key resolutions, including the annual work report, annual report and summary, profit distribution plan, and the special report on the use of raised funds [8][10][13][15]. Financial Reports and Budgets - The supervisory board confirmed that the 2024 annual financial statements accurately reflect the company's financial status and operational results, and the 2025 budget is deemed reasonable [17]. - The board also approved the evaluation report on internal controls, affirming that the company has established a sound internal control system [29]. Related Party Transactions - The supervisory board reviewed and approved the execution of related party transactions for 2024 and the expected transactions for 2025, confirming that they are conducted fairly and do not harm the interests of the company or its shareholders [20][25][26]. Accounting Estimates - The board approved changes in accounting estimates, stating that they provide a more reliable and relevant reflection of the company's financial status [27]. Quarterly Report - The supervisory board reviewed the first quarter report for 2025, confirming that it complies with legal and regulatory requirements and accurately reflects the company's operational and financial conditions [30].

Group 1 - The company intends to reappoint Zhongqin Wanxin Certified Public Accountants (Special General Partnership) as its auditing firm for the year 2025 [3][14][15] - Zhongqin Wanxin has been established since December 2013 and holds qualifications for auditing securities and futures-related businesses [3][5] - The firm reported a total revenue of 476 million yuan for 2024, with auditing business revenue of 407 million yuan and securities futures business revenue of 108 million yuan [5][6] Group 2 - The company has decided to change its accounting estimates regarding the capitalization of research and development expenditures, effective from January 1, 2025 [19][20][24] - The change aims to better reflect the company's financial status and operational results, aligning with the actual conditions of its R&D activities [22][26] - The company will not retroactively adjust previously disclosed financial statements due to this change, ensuring no impact on past financial results [25][36] Group 3 - The company has also announced a change in its accounting policy based on the Ministry of Finance's new interpretations, which will not significantly affect its financial status or cash flows [31][36] - The new policy will be implemented from January 1, 2024, and is aimed at improving the accuracy of financial reporting [35][36] - The company has completed a share buyback program, reducing its total share capital from 581,011,346 shares to 571,424,768 shares [37][38]

证券代码：002226 证券简称：江南化工 公告编号:2025-008 安徽江南化工股份有限公司 关于会计估计变更的公告 本公司及董事会全体成员保证公告内容真实、准确和完整，没有虚假记 载、误导性陈述或重大遗漏。 安徽江南化工股份有限公司（以下简称"公司"或"本公司"）于 2025 年 2 月 28 日召开的第六届董事会第三十七次会议、第六届监事会第十八次会议审议 通过了《关于会计估计变更的议案》，具体情况如下： 一、会计估计变更概述 1、会计估计变更原因 公司全资子公司新疆江南易泰建材有限公司拥有的乌鲁木齐市米东区甘泉 堡建筑用砂 1 号砂场矿山服务年限因生产规模变更，与乌鲁木齐市自然资源局签 订《采矿权出让合同补充协议》，约定原砂场矿山服务年限由 10 年变更为 20 年。为了适应公司业务的实际情况，公允、客观地反映公司的财务状况和经营成 果，提供更加可靠的会计信息，根据《采矿权出让合同补充协议》及乌鲁木齐市 自然资源局新颁发的采矿许可证约定，公司对采矿权摊销期限进行了调整。 2、变更前采用的会计估计 使用寿命有限的无形资产摊销方法： | 项目 | 摊销年限（年） | | --- | --- | | 采矿 ...

江苏中天科技股份有限公司 会计估计变更事项专项说明的 审核报告 中兴华会计师事务所(特殊普通合伙) ZHONGXINGHUA CERTIFIED PUBLIC ACCOUNTANTS LLP 地址：北京市丰台区丽泽路 20 号丽泽 SOHO Ｂ座 20 层 邮编：100073 电话：(010) 51423818 传真：(010) 51423816 目 录 一、审核报告 二、会计估计变更事项专项说明 三、审核报告附件 1.中兴华会计师事务所（特殊普通合伙）营业执照复印件 2.中兴华会计师事务所（特殊普通合伙）执业证书复印件 3.中兴华会计师事务所（特殊普通合伙）从事证券服务业务备案 4.注册会计师执业证书复印件 中兴华会计师事务所(特殊普通合伙) Z H O N G X I N G H U A C E R T I F I E D P U B L I C A C C O U N T A N T S L P 地址(location):北京市丰台区丽泽路 20 号丽泽 SOHOB 座 20 层 20/F,TowerB,LizeSOHO,20LizeRoad,FengtaiDistrict,BeijingPRChina ...