| Grant Thornton Zhitong CPA | 13-Dec-24 | | | |
| BDO (China) | 29-Jun-22 | 13-Dec-24 | | BDO has served as the audit service agency of China Railway Construction Group Corporation, a controlling shareholder of the Company, for eight years, in accordance with the relevant requirements under the Administrative Measures for the Appointment of Accounting Firms by State-owned Enterprises and Listed Companies (Cai Kuai [2023] No. 4), the Company proposes to change the auditor for the year 2024 to maintain the independence of the audit agency. |
| Deloitte | 27-Jun-21 | 29-Jun-22 | | Historical transition (details not available in archive) |
| Deloitte Hong Kong | 28-Jun-18 | 27-Jun-21 | | Historical transition (details not available in archive) |
| Ernst & Young (Hong Kong) | | 28-Jun-18 | | Historical transition (details not available in archive) |
