Listing Sponsorship Letter from Yongxing Securities Co., Ltd. Regarding Guangdong Xiangshan Weighing Apparatus Group Co., Ltd.’s 2025 Issuance of Shares to Specific Targets

Yongxing Securities Co., Ltd.

Regarding

Guangdong Xiangshan Weighing Apparatus Group Co., Ltd.

2025 Annual Issuance of Shares to Specific Targets

Listing Sponsorship Letter

Sponsor (Lead Underwriter)

August 2026

Declaration by Sponsor and Sponsor Representatives

Yongxing Securities Co., Ltd. and the project's sponsor representatives, Jiang Min and Wang Xuefei, have acted in accordance with the Company Law of the People's Republic of China (hereinafter referred to as the "Company Law"), the Securities Law of the People's Republic of China (hereinafter referred to as the "Securities Law"), and other laws, regulations, and relevant provisions of the China Securities Regulatory Commission (CSRC) and the Shenzhen Stock Exchange. We have acted with honesty, integrity, and due diligence, strictly following established business rules and industry self-regulatory standards to issue this listing sponsorship letter, and we guarantee the truthfulness, accuracy, and completeness of this document.

Table of Contents

1. Declaration by Sponsor and Sponsor Representatives

2. Table of Contents

3. Definitions

4. I. Basic Information of the Issuer

5. II. Details of the Issuer's Current Issuance

6. III. Information on Sponsor Representatives, Coordinators, Other Project Team Members, Contact Addresses, Telephone Numbers, and Other Communication Methods for this Securities Issuance and Listing

7. IV. Statement on Whether the Sponsor Has Any Circumstances That May Affect the Impartial Performance of Sponsorship Duties

8. V. Matters That the Sponsor Is Required to Commit to in Accordance with Relevant Regulations

9. VI. Statement by the Sponsor on Whether the Issuer Has Fulfilled the Decision-Making Procedures Stipulated by the Company Law, the Securities Law, the CSRC, and the Shenzhen Stock Exchange for this Securities Issuance and Listing

10. VII. Professional Judgment by the Sponsor on Whether the Issuer Complies with National Industrial Policies, Including Reasons and Basis, and the Sponsor's Verification Content and Process

11. VIII. Work Arrangements During the Continuous Supervision Period

12. IX. Recommendation Conclusion of the Sponsor Regarding this Project

Definitions

In this listing sponsorship letter, unless otherwise specified, the following abbreviations have the following specific meanings: