Internal Control Audit Report
Beijing Sino-Scien Digital Technology Co., Ltd. Rui Cheng Shen Zi [2026] 110Z0007
RSM|Rui Cheng
Rui Cheng Certified Public Accountants (Special General Partnership) China · Beijing
To the shareholders of Beijing Sino-Scien Digital Technology Co., Ltd.:
In accordance with the "Guide to Auditing of Internal Control" and the relevant requirements of the Chinese Certified Public Accountants' Auditing Standards, we have audited the effectiveness of the financial reporting internal controls of Beijing Sino-Scien Digital Technology Co., Ltd. (hereinafter referred to as Sino-Scien Company) as of December 31, 2025.
I. Responsibility for Internal Control