Core Viewpoint - The document outlines the selection system for accounting firms at Hangzhou Huaguang Welding New Materials Co., Ltd., aiming to enhance audit quality and protect shareholder interests through a structured and regulated process [1][2]. Group 1: General Principles - The selection of accounting firms must comply with relevant laws and regulations, including the Company Law and specific guidelines from the Shanghai Stock Exchange [1]. - The selection process includes hiring, re-hiring, and changing accounting firms, ensuring the integrity of financial reporting [1]. Group 2: Quality Requirements for Accounting Firms - Selected accounting firms must possess independent qualifications, necessary licenses, and a solid organizational structure [2]. - Firms should have a good record of compliance with financial auditing laws and no significant penalties in the past three years [2]. Group 3: Selection Procedures - The selection process requires approval from the Audit Committee, followed by the Board of Directors and ultimately the shareholders [2][4]. - Various stakeholders, including independent directors and the Audit Committee, can propose the hiring of accounting firms [4]. Group 4: Evaluation Criteria - Evaluation of accounting firms will consider factors such as audit fees, qualifications, past performance, and quality management systems [5]. - Quality management will have a weight of at least 40% in the evaluation, while audit fees will not exceed 15% [5]. Group 5: Contractual and Disclosure Obligations - The results of the selection process must be publicly disclosed, including the chosen firm and audit fees [6][16]. - The company must provide detailed reasons for any changes in accounting firms, including the previous firm's performance and any administrative penalties [9]. Group 6: Supervision and Accountability - The Audit Committee is responsible for monitoring the performance of the selected accounting firms and must report annually to the Board of Directors [11]. - Serious violations by accounting firms can lead to their disqualification from future audits [29]. Group 7: Information Security - Both the company and the accounting firms must adhere to information security regulations and ensure the confidentiality of sensitive information [13]. - The selection process should include an assessment of the accounting firm's information security management capabilities [13]. Group 8: Miscellaneous Provisions - The document will take effect upon approval by the shareholders and can be modified as necessary [14]. - Any matters not covered in the document will be governed by relevant laws and regulations [14].

根据《杭州华光焊接新材料股份有限公司 2024 年员工持股计划（草案）》的相 关规定，本次员工持股计划的存续期为 36 个月，自公司公告首次受让部分最后一笔 标的股票过户至本次员工持股计划名下之日起算。本次员工持股计划通过非交易过户 等法律法规许可的方式所获预留部分标的股票锁定期为 12 个月，锁定期满后一次性 解锁，解锁时点为自公司公告预留份额部分最后一笔标的股票过户至本持股计划名下 之日起满 12 个月，相应年度具体解锁比例和数量根据公司层面业绩考核的完成情况 和持有人绩效考核结果计算确定。 关于 2024 年员工持股计划预留股份完成非交易过户的公告 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。 杭州华光焊接新材料股份有限公司（以下简称"公司"）于 2024 年 7 月 22 日召 开了第五届董事会第十次会议和第五届监事会第八次会议，并于 2024 年 8 月 12 日召 开了 2024 年第二次临时股东大会，审议通过了《关于公司<2024 年员工持股计划（草 案）>及其摘要的议案》《关于公司<2024 年员工持股计 ...

Group 1 - The core viewpoint of the announcement is that the company has approved the initiation of hedging activities for raw materials, specifically tin, to mitigate the adverse effects of price fluctuations on its operations [1][2] - The meeting of the supervisory board was held on June 26, 2025, with all three participating supervisors voting in favor of the proposal, resulting in a unanimous decision [1][2] - The company has established a robust approval process and risk control system for the hedging activities, ensuring compliance with relevant regulations and protecting the interests of the company and its shareholders [1]