Internal Control Audit Report
Tianheng Accounting Firm (Special General Partnership)
Audit Report No. Tianheng Special Word (2026) 00128
To all shareholders of Jiangsu Boyun Plastic Industry 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 Jiangsu Boyun as of December 31, 2025.