Da Hua Certified Public Accountants (Special General Partnership) Beijing Haidian District West 4th Ring Middle Road, Courtyard 16, Building 7, Floor 12 [100039] Tel: 86 (10) 5835 0011 Fax: 86 (10) 5835 0006 www.dahua-cpa.com
Internal Control Audit Report Dahua Nei Zi [2026] 0011000071
To All Shareholders of Henan Province Power Diamond Co., Ltd.:
In accordance with the "Audit Guidelines for Enterprise Internal Control" and the relevant requirements of the Chinese Certified Public Accountants Practice Standards, we have audited the effectiveness of the internal control of the financial reports of Henan Province Power Diamond Co., Ltd. (hereinafter referred to as Power Diamond Company) as of December 31, 2025.