Internal Control Audit Report
Internal Control Audit Report Tian Zhi Ye Zi [2026] 20246-1
To all shareholders of Nanjing Wavelength Optoelectronics Co., Ltd.:
In accordance with the "Guidelines for Internal Control Audits" and relevant requirements of the Chinese Certified Public Accountant (CPA) professional standards, we audited the effectiveness of the internal controls over the financial report of Nanjing Wavelength Optoelectronics Co., Ltd. (hereinafter referred to as "Wavelength Optoelectronics") as of December 31, 2025.