Internal Control Audit Report
Daxin Audit No. [2026] No. 1-03019
Daxin Certified Public Accountants LLP
To all shareholders of AVIC Chengfei:
In accordance with the "Guidelines for Internal Control Audits" and relevant requirements of Chinese Certified Public Accountant standards, we audited the effectiveness of internal controls over the financial report of AVIC Chengfei as of December 31, 2025.