Group 1 - The company plans to change its domestic accounting firm for the year 2025 from Lixin Certified Public Accountants to Xinyong Zhonghe Certified Public Accountants [2][11] - The change is based on the company's future business development and overall audit work requirements, with a service period until April 30, 2026 [2][11] - The previous accounting firm, Lixin, has been informed and has no objections to the change, and there are no discrepancies in audit opinions [2][12] Group 2 - Xinyong Zhonghe Certified Public Accountants was established on March 2, 2012, and has 259 partners and 1,780 registered accountants as of December 31, 2024 [3] - The firm reported a total revenue of 4.054 billion RMB in 2024, with audit revenue of 2.587 billion RMB and securities business revenue of 976 million RMB [3] - The firm has conducted audits for 383 listed companies in 2024, with a total fee of 471 million RMB [3] Group 3 - The proposed audit fee for 2025 is 940,000 RMB, which includes 700,000 RMB for the annual financial statement audit and 240,000 RMB for internal control audit [8] - The final audit fee will be determined by the board of directors and requires shareholder approval [9] Group 4 - The company’s subsidiary, Chengya Highway Co., is responsible for the G5 Jingkun Expressway expansion project, with total contract values of approximately 131.31 billion RMB, 39.07 billion RMB, and 8.56 billion RMB for different contractors [17] - The project is classified as a related party transaction and does not constitute a major asset restructuring [17][21] - The total amount of similar related party transactions in the past 12 months has not reached 5% of the company's latest audited net assets [20][40]