Independent Auditor's Report on the Use of Previous Fundraising
RSM | Rongcheng Rongcheng Certified Public Accountants (Special General Partnership) Head Office: Floors 1001-1 to 1001-26, Building 1, No. 22 Fuchengmenwai Street, Xicheng District, Beijing (100037) TEL: 010-6600 1391 FAX: 010-6600 1392 E-mail: bj@rsmchina.com.cn https://www.rsm.global/china/
To all shareholders of Guangdong Yangshan United Precision Manufacturing Co., Ltd.:
We have audited the accompanying "Special Report on the Use of Previous Fundraising" prepared by the Board of Directors of Guangdong Yangshan United Precision Manufacturing Co., Ltd. (hereinafter referred to as "United Precision Company") for the period ending December 31, 2025.
I. Limitation on the Users and Purpose of the Report
This assurance report is only for the purpose of United Precision Company's application for simplified refinancing and shall not be used for any other purpose. We agree that this assurance report will be submitted as a necessary document for United Precision Company's application for simplified refinancing, along with other application materials.
II. Responsibilities of the Board of Directors
In accordance with the "Supervision Rule Application Guidelines - Issuance Class No. 7" issued by the China Securities Regulatory Commission, the preparation of the "Special Report on the Use of Previous Fundraising" is the responsibility of the Board of Directors of United Precision Company. This responsibility includes ensuring the accuracy, truthfulness, completeness, and absence of any false records, misleading statements, or material omissions.
III. Responsibilities of the Certified Public Accountants
Our responsibility is to independently express an assurance conclusion on the aforementioned report prepared by the Board of Directors of United Precision Company.
IV. Overview of Work
We performed the assurance engagement in accordance with the "Chinese Certified Public Accountants' Other Assurance Services Standards No. 3101 - Assurance Engagements Other Than Audits or Reviews of Historical Financial Information." This standard requires us to plan and perform the assurance engagement to obtain reasonable assurance about whether the information of the assurance object is free from material misstatement. During the assurance engagement, we performed procedures, including the examination of accounting records, as we deemed necessary. We believe that our assurance work provides a reasonable basis for our opinion.
V. Assurance Conclusion
We are of the opinion that the accompanying "Special Report on the Use of Previous Fundraising" of United Precision Company, in all material respects, has been prepared in accordance with the "Supervision Rule Application Guidelines - Issuance Class No. 7" and fairly reflects the use of previous fundraising by United Precision Company as of December 31, 2025.
(This page is the signature and seal page for Rongcheng's special report [2026]518Z0963 for Guangdong Yangshan United Precision Manufacturing Co., Ltd.)
Rongcheng Certified Public Accountants (Special General Partnership) China Certified Public Accountant: Liu Zefan (Project Partner) [blank] China · Beijing China Certified Public Accountant: Mao Xiaoying [blank] 2026 June 22
Special Report on the Use of Previous Fundraising
I. Previous Fundraising Situation
(I) Amount of Actual Raised Funds and Time of Receipt
Approved by the China Securities Regulatory Commission's "Approval for Guangdong Yangshan United Precision Manufacturing Co., Ltd.'s Initial Public Offering of Shares" (Document No. Zhengjian Xuke [2022]1046), the company publicly issued 26,983,334 shares of RMB ordinary shares (A shares) on June 2022, with a par value of RMB 1 per share and an issuance price of RMB 19.25 per share. The total amount of funds raised was RMB 519,429,179.50. After deducting related non-tax issuance expenses of RMB 70,642,944.54, the net amount of funds raised was RMB 448,786,234.96. These funds were received in June 2022. The receipt of these funds was verified by the "Capital Verification Report" (Dahua Yanzhi [2022]000377) issued by Dahua Certified Public Accountants (Special General Partnership). The company has implemented special account management for the raised funds.