Internal Control Audit Report
Wuhan Dier Laser Technology Co., Ltd.
Audit Report No. ZE10072
Dear Shareholders of Wuhan Dier Laser Technology Co., Ltd.:
In accordance with the "Guidelines for Internal Control Audits" and relevant requirements of the Chinese Certified Public Accountant Professional Standards, we audited the effectiveness of the internal controls over the financial report of Wuhan Dier Laser Technology Co., Ltd. (hereinafter referred to as Dier Laser) as of December 31, 2025.