Internal Control Audit Report
RSM China (Special General Partnership)
Audit Report No. RSM Audit [2026] 518Z0050
Beijing, China
To all shareholders of Shenzhen Dazhu CNC Technology Co., Ltd.:
In accordance with the "Guidelines for Internal Control Audits" and relevant requirements of the Chinese Certified Public Accountant Practice Standards, we audited the effectiveness of the internal controls over the financial report of Shenzhen Dazhu CNC Technology Co., Ltd. (hereinafter referred to as "Dazhu CNC") as of December 31, 2025.