Internal Control Audit Report
Zhonghui CPA [2026] 6593
To all shareholders of Hangzhou Zhongheng Electric Co., Ltd.:
In accordance with the "Audit Guidelines for Internal Control" and the requirements of the Chinese Certified Public Accountants' professional standards, we have audited the effectiveness of the internal financial reporting controls of Hangzhou Zhongheng Electric Co., Ltd. (hereinafter referred to as "Zhongheng Electric Company") as of December 31, 2025.