Group 1 - The company held its 19th meeting of the third supervisory board on August 13, 2025, with all three supervisors present, and the meeting was deemed legal and effective [3] - The supervisory board approved the company's 2025 semi-annual report and its summary, confirming that the report's preparation and review processes complied with relevant laws and regulations [4] - The supervisory board also approved the special report on the storage and actual use of raised funds for the first half of 2025, stating that the management of raised funds adhered to regulatory requirements [6] Group 2 - The company plans to change its auditing firm to Ernst & Young Huaming, as the previous firm, Lixin, has provided services for ten consecutive years [24][32] - The decision to change the auditing firm was based on the need for new auditing services aligned with the company's business development and future audit requirements [32] - The company has communicated with both the outgoing and incoming auditing firms regarding this change, and both parties have no objections [32] Group 3 - The company reported that as of June 30, 2025, it had raised a total of RMB 555.86 million from its initial public offering, with a net amount of RMB 496.47 million after deducting related expenses [12][13] - By June 30, 2025, the company had used RMB 515.85 million of the raised funds for projects and incurred RMB 59.39 million in issuance costs, with a remaining balance of RMB 3.06 million in the raised funds account [13] - The company has implemented strict management of raised funds, ensuring they are stored in dedicated accounts and used for their intended purposes [14] Group 4 - The company has proposed changes to its registered capital and amendments to its articles of association, which were approved during the board meeting on August 13, 2025 [38][39] - The registered capital increased from RMB 630.58 million to RMB 634.80 million following the completion of the stock incentive plan [38] - The amendments to the articles of association will be finalized based on the approval from the relevant registration authority [39] Group 5 - The company announced the convening of its second extraordinary general meeting of 2025, scheduled for September 1, 2025, to discuss various proposals [41][42] - The meeting will utilize a combination of on-site and online voting methods, allowing shareholders to participate remotely [43] - Shareholders must register for the meeting by August 29, 2025, and can delegate representatives to attend [55]

产投三佳（安徽）科技股份有限公司 会 议 资 料 二○二五年八月二十日 产投三佳（安徽）科技股份有限公司 年度财务报告审计机构和内控审计机构的议案》……………………………… 3 议案一： 产投三佳（安徽）科技股份有限公司 关于改聘容诚会计师事务所（特殊普通合伙） 为公司 2025 年度财务报告审计机构和内控审计机构的议案 各位股东： 鉴于公司原会计师事务所天健会计师事务所（特殊普通合伙） （以下简称"天 健所" （以 下简称"容诚所" ）担任公司 2025 年度财务报告审计机构和内部控制审计机构， 聘期一年，费用共计 66 万元，其中财务报告审计费用 48 万元，内部控制审计 费用 18 万元。公司已就变更会计师事务所有关事宜与前任会计师事务所天健所 进行了充分沟通，天健所已知悉本次变更事项并确认无异议。 天健所上期财务报告审计和内部控制审计费用合计 78 万元，其中财务报告 审计费用 58 万元，内部控制审计费用 20 万元。容诚所本期较上期财务报告审 计费用和内部控制审计费用均有所减少。 为提高工作效率，公司董事会提请公司股东大会授权公司董事长或其授权 代理人决定本次改聘会计师事务所的具体事宜并签署相关文 ...

Group 1 - The company will hold its first extraordinary general meeting of shareholders in 2025 on August 12, 2025, at 14:00 in its conference room [5][6] - The agenda includes the cancellation of the supervisory board, adjustment of board members, changes to registered capital, and amendments to the company's articles of association [5][7] - The company will no longer have a supervisory board, with its functions transferred to the audit committee of the board [7][8] Group 2 - The company plans to change its registered capital due to the conversion of convertible bonds, resulting in an increase in total shares from 212,883,660 to 212,884,185 [7] - The company will amend its articles of association to reflect the cancellation of the supervisory board and other governance adjustments [8][9] - The proposed changes to the articles of association will require approval at the extraordinary general meeting [8] Group 3 - The company intends to appoint Tianjian Accounting Firm as its auditor for the fiscal year 2025, following a bidding process [10][11] - The expected audit fee for 2025 is estimated at 680,000 yuan, with an increase of 60,000 yuan compared to the previous year [11][15] - The previous auditor, Tianheng, provided a standard unqualified opinion for the 2024 annual report and has been in service for several years [16] Group 4 - The company proposes to elect Deng Erping as a non-independent director to fill a vacancy on the board [17][18] - Deng Erping has a strong academic background and relevant experience, having served in various educational and research roles [18][19] - The proposal for Deng Erping's election has been reviewed and approved by the board's nomination committee [19]

Group 1 - The issuer, Xinjiang Beixin Road and Bridge Group Co., Ltd., has changed its accounting firm from Sigma Accounting Firm to Yongtuo Accounting Firm for the 2024 financial and internal control audit [2][5][6] - Yongtuo Accounting Firm was selected through a public bidding process and has been confirmed to have the necessary qualifications and capabilities to perform the audit [5][6] - The previous auditor, Sigma Accounting Firm, had provided audit services for 18 years and issued unqualified audit reports for the 2023 financial statements [5][6] Group 2 - Yongtuo Accounting Firm was established on December 20, 2013, and has a professional risk fund amounting to 2023 year-end [2][3] - The firm has no civil liability in the last three years related to professional conduct and has a clean record with no criminal penalties [2][3][4] - The audit fee for Yongtuo is set at RMB 2.7 million, which includes RMB 1.8 million for the annual report audit and RMB 900,000 for internal control audit, compared to the previous fee of RMB 2.6 million charged by Sigma [4][5] Group 3 - The issuer's audit committee has thoroughly reviewed Yongtuo's professional competence, investor protection capability, integrity, and independence before approving the appointment [5][6] - The decision to change the accounting firm was approved by both the board of directors and the supervisory board, ensuring compliance with relevant laws and regulations [6] - The change in accounting firm is not expected to adversely affect the issuer's production operations, financial status, or overall debt repayment capability [6]

Core Viewpoint - The company is changing its auditing firm from Zhongxing Cai Guanghua to RSM China (致同会计师事务所) for the 2025 fiscal year to enhance operational standards and improve the efficiency of the annual audit process [1][5] Group 1: Information on the New Auditing Firm - The new auditing firm, RSM China, is a special partnership established in 1981, with a registered address in Beijing and nearly 6,000 employees, including 1,359 certified public accountants [2] - RSM China reported a business income of 2.614 billion yuan in 2024, with 4.156 million yuan coming from auditing services [2] - The firm has a history of no criminal penalties and has faced administrative penalties twice in the last three years [3][4] Group 2: Reasons for Changing Auditors - The previous auditing firm, Zhongxing Cai Guanghua, has provided services for six consecutive years and issued a standard unqualified audit report for the 2024 fiscal year [5][6] - The decision to change auditors is in accordance with regulations aimed at improving the company's operational standards and ensuring a more scientific and efficient audit process [5] Group 3: Communication and Approval Process - The company has communicated with both the outgoing and incoming auditing firms regarding the change, with no objections raised by either party [5][6] - The audit committee has reviewed RSM China's qualifications and capabilities, leading to a unanimous approval for the appointment, which will be submitted for shareholder approval [6]