Internal Control Audit Report
Zhonghui Certified Public Accountants [2026] No. 5709
To all shareholders of Sinomach Industry Group Co., Ltd.:
In accordance with the "Audit Guidelines for Internal Control of Enterprises" and the relevant requirements of the Chinese Certified Public Accountants' Auditing Standards, we have audited the effectiveness of the internal control over financial reporting of Sinomach Industry Group Co., Ltd. (hereinafter referred to as "Sinomach Company") as of December 31, 2025.
I. Responsibility of the Company for Internal Control
In accordance with the provisions of the "Basic Norms for Enterprise Internal Control," "Application Guidelines for Enterprise Internal Control," and "Evaluation Guidelines for Enterprise Internal Control," it is the responsibility of the board of directors of Sinomach Company to establish, improve, and effectively implement internal control, and to evaluate its effectiveness.
II. Responsibility of the Certified Public Accountants
Our responsibility is to express an audit opinion on the effectiveness of internal control over financial reporting based on the implementation of audit work, and to disclose any significant deficiencies in internal control over non-financial reporting that we have noted.
III. Inherent Limitations of Internal Control
Internal control has inherent limitations, and there is a possibility that misstatements may not be prevented or detected. In addition, due to changes in circumstances that may render internal control inappropriate, or a reduced degree of adherence to control policies and procedures, there is a certain risk in inferring the future effectiveness of internal control based on the results of the internal control audit.
IV. Audit Opinion on Internal Control over Financial Reporting
We believe that Sinomach Company maintained effective internal control over financial reporting in all material respects as of December 31, 2025, in accordance with the "Basic Norms for Enterprise Internal Control" and relevant regulations.